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Message-ID: <20210321113734.GA248990@gmail.com>
Date: Sun, 21 Mar 2021 12:37:34 +0100
From: Ingo Molnar <mingo@...nel.org>
To: Arnaldo Carvalho de Melo <acme@...radead.org>
Cc: linux-kernel@...r.kernel.org, linux-perf-users@...r.kernel.org,
Peter Zijlstra <a.p.zijlstra@...llo.nl>
Subject: [PATCH] perf tools: Fix various typos in comments
Fix ~81 single-word typos in the perf tooling code - accumulated over the years.
Signed-off-by: Ingo Molnar <mingo@...nel.org>
---
tools/perf/Documentation/perf-buildid-cache.txt | 2 +-
tools/perf/Documentation/perf-report.txt | 2 +-
tools/perf/Documentation/perf-top.txt | 2 +-
tools/perf/arch/arm/util/cs-etm.c | 2 +-
tools/perf/arch/arm64/util/perf_regs.c | 2 +-
tools/perf/arch/powerpc/util/kvm-stat.c | 2 +-
tools/perf/arch/powerpc/util/utils_header.h | 2 +-
tools/perf/arch/x86/tests/bp-modify.c | 2 +-
tools/perf/arch/x86/util/perf_regs.c | 4 ++--
tools/perf/bench/epoll-wait.c | 4 ++--
tools/perf/bench/numa.c | 2 +-
tools/perf/builtin-annotate.c | 2 +-
tools/perf/builtin-diff.c | 2 +-
tools/perf/builtin-lock.c | 2 +-
tools/perf/builtin-sched.c | 2 +-
tools/perf/builtin-script.c | 4 ++--
tools/perf/builtin-stat.c | 4 ++--
tools/perf/builtin-top.c | 2 +-
tools/perf/jvmti/jvmti_agent.c | 4 ++--
tools/perf/scripts/python/netdev-times.py | 2 +-
tools/perf/tests/bp_signal.c | 4 ++--
tools/perf/tests/code-reading.c | 2 +-
tools/perf/tests/hists_cumulate.c | 4 ++--
tools/perf/tests/parse-metric.c | 2 +-
tools/perf/tests/topology.c | 2 +-
tools/perf/trace/beauty/include/linux/socket.h | 2 +-
tools/perf/ui/browsers/annotate.c | 2 +-
tools/perf/ui/browsers/hists.c | 2 +-
tools/perf/util/call-path.h | 2 +-
tools/perf/util/callchain.c | 2 +-
tools/perf/util/cs-etm-decoder/cs-etm-decoder.c | 2 +-
tools/perf/util/cs-etm.c | 8 ++++----
tools/perf/util/cs-etm.h | 2 +-
tools/perf/util/data-convert-bt.c | 2 +-
tools/perf/util/demangle-java.c | 2 +-
tools/perf/util/dwarf-aux.c | 6 +++---
tools/perf/util/dwarf-aux.h | 2 +-
tools/perf/util/events_stats.h | 2 +-
tools/perf/util/evlist.c | 2 +-
tools/perf/util/evsel.c | 2 +-
tools/perf/util/expr.h | 2 +-
tools/perf/util/header.c | 2 +-
tools/perf/util/levenshtein.c | 2 +-
tools/perf/util/libunwind/arm64.c | 2 +-
tools/perf/util/libunwind/x86_32.c | 2 +-
tools/perf/util/llvm-utils.c | 2 +-
tools/perf/util/machine.c | 6 +++---
tools/perf/util/mem-events.h | 2 +-
tools/perf/util/metricgroup.c | 2 +-
tools/perf/util/parse-events.c | 6 +++---
tools/perf/util/pmu.c | 2 +-
tools/perf/util/probe-event.c | 4 ++--
tools/perf/util/probe-finder.c | 4 ++--
tools/perf/util/s390-cpumsf.c | 10 +++++-----
tools/perf/util/session.c | 2 +-
tools/perf/util/symbol-elf.c | 2 +-
tools/perf/util/synthetic-events.c | 4 ++--
tools/perf/util/unwind-libunwind-local.c | 2 +-
58 files changed, 81 insertions(+), 81 deletions(-)
diff --git a/tools/perf/Documentation/perf-buildid-cache.txt b/tools/perf/Documentation/perf-buildid-cache.txt
index bb167e32a1d7..cd8ce6e8ec12 100644
--- a/tools/perf/Documentation/perf-buildid-cache.txt
+++ b/tools/perf/Documentation/perf-buildid-cache.txt
@@ -57,7 +57,7 @@ OPTIONS
-u::
--update=::
Update specified file of the cache. Note that this doesn't remove
- older entires since those may be still needed for annotating old
+ older entries since those may be still needed for annotating old
(or remote) perf.data. Only if there is already a cache which has
exactly same build-id, that is replaced by new one. It can be used
to update kallsyms and kernel dso to vmlinux in order to support
diff --git a/tools/perf/Documentation/perf-report.txt b/tools/perf/Documentation/perf-report.txt
index f546b5e9db05..d2d2a8d8f8f5 100644
--- a/tools/perf/Documentation/perf-report.txt
+++ b/tools/perf/Documentation/perf-report.txt
@@ -472,7 +472,7 @@ OPTIONS
but probably we'll make the default not to show the switch-on/off events
on the --group mode and if there is only one event besides the off/on ones,
go straight to the histogram browser, just like 'perf report' with no events
- explicitely specified does.
+ explicitly specified does.
--itrace::
Options for decoding instruction tracing data. The options are:
diff --git a/tools/perf/Documentation/perf-top.txt b/tools/perf/Documentation/perf-top.txt
index ee2024691d46..bba5ffb05463 100644
--- a/tools/perf/Documentation/perf-top.txt
+++ b/tools/perf/Documentation/perf-top.txt
@@ -317,7 +317,7 @@ Default is to monitor all CPUS.
but probably we'll make the default not to show the switch-on/off events
on the --group mode and if there is only one event besides the off/on ones,
go straight to the histogram browser, just like 'perf top' with no events
- explicitely specified does.
+ explicitly specified does.
--stitch-lbr::
Show callgraph with stitched LBRs, which may have more complete
diff --git a/tools/perf/arch/arm/util/cs-etm.c b/tools/perf/arch/arm/util/cs-etm.c
index c25c878fd06c..bd632349ade2 100644
--- a/tools/perf/arch/arm/util/cs-etm.c
+++ b/tools/perf/arch/arm/util/cs-etm.c
@@ -343,7 +343,7 @@ static int cs_etm_recording_options(struct auxtrace_record *itr,
opts->auxtrace_mmap_pages = roundup_pow_of_two(sz);
}
- /* Snapshost size can't be bigger than the auxtrace area */
+ /* Snapshot size can't be bigger than the auxtrace area */
if (opts->auxtrace_snapshot_size >
opts->auxtrace_mmap_pages * (size_t)page_size) {
pr_err("Snapshot size %zu must not be greater than AUX area tracing mmap size %zu\n",
diff --git a/tools/perf/arch/arm64/util/perf_regs.c b/tools/perf/arch/arm64/util/perf_regs.c
index 2518cde18b34..476b037eea1c 100644
--- a/tools/perf/arch/arm64/util/perf_regs.c
+++ b/tools/perf/arch/arm64/util/perf_regs.c
@@ -108,7 +108,7 @@ int arch_sdt_arg_parse_op(char *old_op, char **new_op)
/* [sp], [sp, NUM] or [sp,NUM] */
new_len = 7; /* + ( % s p ) NULL */
- /* If the arugment is [sp], need to fill offset '0' */
+ /* If the argument is [sp], need to fill offset '0' */
if (rm[2].rm_so == -1)
new_len += 1;
else
diff --git a/tools/perf/arch/powerpc/util/kvm-stat.c b/tools/perf/arch/powerpc/util/kvm-stat.c
index eed9e5a42935..16510686c138 100644
--- a/tools/perf/arch/powerpc/util/kvm-stat.c
+++ b/tools/perf/arch/powerpc/util/kvm-stat.c
@@ -176,7 +176,7 @@ int cpu_isa_init(struct perf_kvm_stat *kvm, const char *cpuid __maybe_unused)
}
/*
- * Incase of powerpc architecture, pmu registers are programmable
+ * In case of powerpc architecture, pmu registers are programmable
* by guest kernel. So monitoring guest via host may not provide
* valid samples with default 'cycles' event. It is better to use
* 'trace_imc/trace_cycles' event for guest profiling, since it
diff --git a/tools/perf/arch/powerpc/util/utils_header.h b/tools/perf/arch/powerpc/util/utils_header.h
index 5788eb1f1fe3..2baeb1c1ae85 100644
--- a/tools/perf/arch/powerpc/util/utils_header.h
+++ b/tools/perf/arch/powerpc/util/utils_header.h
@@ -10,6 +10,6 @@
#define SPRN_PVR 0x11F /* Processor Version Register */
#define PVR_VER(pvr) (((pvr) >> 16) & 0xFFFF) /* Version field */
-#define PVR_REV(pvr) (((pvr) >> 0) & 0xFFFF) /* Revison field */
+#define PVR_REV(pvr) (((pvr) >> 0) & 0xFFFF) /* Revision field */
#endif /* __PERF_UTIL_HEADER_H */
diff --git a/tools/perf/arch/x86/tests/bp-modify.c b/tools/perf/arch/x86/tests/bp-modify.c
index adcacf1b6609..dffcf9b52153 100644
--- a/tools/perf/arch/x86/tests/bp-modify.c
+++ b/tools/perf/arch/x86/tests/bp-modify.c
@@ -73,7 +73,7 @@ static int bp_modify1(void)
/*
* The parent does following steps:
* - creates a new breakpoint (id 0) for bp_2 function
- * - changes that breakponit to bp_1 function
+ * - changes that breakpoint to bp_1 function
* - waits for the breakpoint to hit and checks
* it has proper rip of bp_1 function
* - detaches the child
diff --git a/tools/perf/arch/x86/util/perf_regs.c b/tools/perf/arch/x86/util/perf_regs.c
index fca81b39b09f..207c56805c55 100644
--- a/tools/perf/arch/x86/util/perf_regs.c
+++ b/tools/perf/arch/x86/util/perf_regs.c
@@ -165,7 +165,7 @@ static int sdt_init_op_regex(void)
/*
* Max x86 register name length is 5(ex: %r15d). So, 6th char
* should always contain NULL. This helps to find register name
- * length using strlen, insted of maintaing one more variable.
+ * length using strlen, instead of maintaining one more variable.
*/
#define SDT_REG_NAME_SIZE 6
@@ -207,7 +207,7 @@ int arch_sdt_arg_parse_op(char *old_op, char **new_op)
* and displacement 0 (Both sign and displacement 0 are
* optional so it may be empty). Use one more character
* to hold last NULL so that strlen can be used to find
- * prefix length, instead of maintaing one more variable.
+ * prefix length, instead of maintaining one more variable.
*/
char prefix[3] = {0};
diff --git a/tools/perf/bench/epoll-wait.c b/tools/perf/bench/epoll-wait.c
index 0a0ff1247c83..79d13dbc0a47 100644
--- a/tools/perf/bench/epoll-wait.c
+++ b/tools/perf/bench/epoll-wait.c
@@ -17,7 +17,7 @@
* While the second model, enabled via --multiq option, uses multiple
* queueing (which refers to one epoll instance per worker). For example,
* short lived tcp connections in a high throughput httpd server will
- * ditribute the accept()'ing connections across CPUs. In this case each
+ * distribute the accept()'ing connections across CPUs. In this case each
* worker does a limited amount of processing.
*
* [queue A] ---> [worker]
@@ -198,7 +198,7 @@ static void *workerfn(void *arg)
do {
/*
- * Block undefinitely waiting for the IN event.
+ * Block indefinitely waiting for the IN event.
* In order to stress the epoll_wait(2) syscall,
* call it event per event, instead of a larger
* batch (max)limit.
diff --git a/tools/perf/bench/numa.c b/tools/perf/bench/numa.c
index 20b87e29c96f..f2640179ada9 100644
--- a/tools/perf/bench/numa.c
+++ b/tools/perf/bench/numa.c
@@ -42,7 +42,7 @@
#endif
/*
- * Regular printout to the terminal, supressed if -q is specified:
+ * Regular printout to the terminal, suppressed if -q is specified:
*/
#define tprintf(x...) do { if (g && g->p.show_details >= 0) printf(x); } while (0)
diff --git a/tools/perf/builtin-annotate.c b/tools/perf/builtin-annotate.c
index a23ba6bb99b6..0f3a196e5d6e 100644
--- a/tools/perf/builtin-annotate.c
+++ b/tools/perf/builtin-annotate.c
@@ -239,7 +239,7 @@ static int evsel__add_sample(struct evsel *evsel, struct perf_sample *sample,
}
/*
- * XXX filtered samples can still have branch entires pointing into our
+ * XXX filtered samples can still have branch entries pointing into our
* symbol and are missed.
*/
process_branch_stack(sample->branch_stack, al, sample);
diff --git a/tools/perf/builtin-diff.c b/tools/perf/builtin-diff.c
index 878e04b1fab7..f52b3a799e76 100644
--- a/tools/perf/builtin-diff.c
+++ b/tools/perf/builtin-diff.c
@@ -1796,7 +1796,7 @@ static int ui_init(void)
data__for_each_file(i, d) {
/*
- * Baseline or compute realted columns:
+ * Baseline or compute related columns:
*
* PERF_HPP_DIFF__BASELINE
* PERF_HPP_DIFF__DELTA
diff --git a/tools/perf/builtin-lock.c b/tools/perf/builtin-lock.c
index a2f1e53f37a7..01326e370009 100644
--- a/tools/perf/builtin-lock.c
+++ b/tools/perf/builtin-lock.c
@@ -49,7 +49,7 @@ struct lock_stat {
/*
* FIXME: evsel__intval() returns u64,
- * so address of lockdep_map should be dealed as 64bit.
+ * so address of lockdep_map should be treated as 64bit.
* Is there more better solution?
*/
void *addr; /* address of lockdep_map, used as ID */
diff --git a/tools/perf/builtin-sched.c b/tools/perf/builtin-sched.c
index 69c769b04a61..954ce2f594e9 100644
--- a/tools/perf/builtin-sched.c
+++ b/tools/perf/builtin-sched.c
@@ -1712,7 +1712,7 @@ static int perf_sched__process_fork_event(struct perf_tool *tool,
{
struct perf_sched *sched = container_of(tool, struct perf_sched, tool);
- /* run the fork event through the perf machineruy */
+ /* run the fork event through the perf machinery */
perf_event__process_fork(tool, event, sample, machine);
/* and then run additional processing needed for this command */
diff --git a/tools/perf/builtin-script.c b/tools/perf/builtin-script.c
index 5915f19cee55..8b02d8a51656 100644
--- a/tools/perf/builtin-script.c
+++ b/tools/perf/builtin-script.c
@@ -2488,7 +2488,7 @@ static int perf_script__fopen_per_event_dump(struct perf_script *script)
/*
* Already setup? I.e. we may be called twice in cases like
* Intel PT, one for the intel_pt// and dummy events, then
- * for the evsels syntheized from the auxtrace info.
+ * for the evsels synthesized from the auxtrace info.
*
* Ses perf_script__process_auxtrace_info.
*/
@@ -3085,7 +3085,7 @@ static int list_available_scripts(const struct option *opt __maybe_unused,
*
* Fixme: All existing "xxx-record" are all in good formats "-e event ",
* which is covered well now. And new parsing code should be added to
- * cover the future complexing formats like event groups etc.
+ * cover the future complex formats like event groups etc.
*/
static int check_ev_match(char *dir_name, char *scriptname,
struct perf_session *session)
diff --git a/tools/perf/builtin-stat.c b/tools/perf/builtin-stat.c
index 2e2e4a8345ea..d140ffbb5b34 100644
--- a/tools/perf/builtin-stat.c
+++ b/tools/perf/builtin-stat.c
@@ -1705,7 +1705,7 @@ static int add_default_attributes(void)
bzero(&errinfo, sizeof(errinfo));
if (transaction_run) {
/* Handle -T as -M transaction. Once platform specific metrics
- * support has been added to the json files, all archictures
+ * support has been added to the json files, all architectures
* will use this approach. To determine transaction support
* on an architecture test for such a metric name.
*/
@@ -2459,7 +2459,7 @@ int cmd_stat(int argc, const char **argv)
/*
* We synthesize the kernel mmap record just so that older tools
* don't emit warnings about not being able to resolve symbols
- * due to /proc/sys/kernel/kptr_restrict settings and instear provide
+ * due to /proc/sys/kernel/kptr_restrict settings and instead provide
* a saner message about no samples being in the perf.data file.
*
* This also serves to suppress a warning about f_header.data.size == 0
diff --git a/tools/perf/builtin-top.c b/tools/perf/builtin-top.c
index 3673c04d16b6..173ace43f845 100644
--- a/tools/perf/builtin-top.c
+++ b/tools/perf/builtin-top.c
@@ -1607,7 +1607,7 @@ int cmd_top(int argc, const char **argv)
if (status) {
/*
* Some arches do not provide a get_cpuid(), so just use pr_debug, otherwise
- * warn the user explicitely.
+ * warn the user explicitly.
*/
eprintf(status == ENOSYS ? 1 : 0, verbose,
"Couldn't read the cpuid for this machine: %s\n",
diff --git a/tools/perf/jvmti/jvmti_agent.c b/tools/perf/jvmti/jvmti_agent.c
index 88108598d6e9..526dcaf9f079 100644
--- a/tools/perf/jvmti/jvmti_agent.c
+++ b/tools/perf/jvmti/jvmti_agent.c
@@ -390,7 +390,7 @@ jvmti_write_code(void *agent, char const *sym,
rec.p.total_size += size;
/*
- * If JVM is multi-threaded, nultiple concurrent calls to agent
+ * If JVM is multi-threaded, multiple concurrent calls to agent
* may be possible, so protect file writes
*/
flockfile(fp);
@@ -457,7 +457,7 @@ jvmti_write_debug_info(void *agent, uint64_t code,
rec.p.total_size = size;
/*
- * If JVM is multi-threaded, nultiple concurrent calls to agent
+ * If JVM is multi-threaded, multiple concurrent calls to agent
* may be possible, so protect file writes
*/
flockfile(fp);
diff --git a/tools/perf/scripts/python/netdev-times.py b/tools/perf/scripts/python/netdev-times.py
index ea0c8b90a783..a0cfc7fe5908 100644
--- a/tools/perf/scripts/python/netdev-times.py
+++ b/tools/perf/scripts/python/netdev-times.py
@@ -356,7 +356,7 @@ def handle_irq_softirq_exit(event_info):
return
rec_data = {'sirq_ent_t':sirq_ent_t, 'sirq_ext_t':time,
'irq_list':irq_list, 'event_list':event_list}
- # merge information realted to a NET_RX softirq
+ # merge information related to a NET_RX softirq
receive_hunk_list.append(rec_data)
def handle_napi_poll(event_info):
diff --git a/tools/perf/tests/bp_signal.c b/tools/perf/tests/bp_signal.c
index cc9fbcedb364..ded580f8f657 100644
--- a/tools/perf/tests/bp_signal.c
+++ b/tools/perf/tests/bp_signal.c
@@ -225,7 +225,7 @@ int test__bp_signal(struct test *test __maybe_unused, int subtest __maybe_unused
*
* The test case check following error conditions:
* - we get stuck in signal handler because of debug
- * exception being triggered receursively due to
+ * exception being triggered recursively due to
* the wrong RF EFLAG management
*
* - we never trigger the sig_handler breakpoint due
@@ -242,7 +242,7 @@ int test__bp_signal(struct test *test __maybe_unused, int subtest __maybe_unused
ioctl(fd3, PERF_EVENT_IOC_ENABLE, 0);
/*
- * Kick off the test by trigering 'fd1'
+ * Kick off the test by triggering 'fd1'
* breakpoint.
*/
test_function();
diff --git a/tools/perf/tests/code-reading.c b/tools/perf/tests/code-reading.c
index 2fdc7b2f996e..9866cddebf23 100644
--- a/tools/perf/tests/code-reading.c
+++ b/tools/perf/tests/code-reading.c
@@ -658,7 +658,7 @@ static int do_test_code_reading(bool try_kcore)
/*
* Both cpus and threads are now owned by evlist
* and will be freed by following perf_evlist__set_maps
- * call. Getting refference to keep them alive.
+ * call. Getting reference to keep them alive.
*/
perf_cpu_map__get(cpus);
perf_thread_map__get(threads);
diff --git a/tools/perf/tests/hists_cumulate.c b/tools/perf/tests/hists_cumulate.c
index 3f2e1a581247..890cb1f5bf53 100644
--- a/tools/perf/tests/hists_cumulate.c
+++ b/tools/perf/tests/hists_cumulate.c
@@ -47,7 +47,7 @@ static struct sample fake_samples[] = {
};
/*
- * Will be casted to struct ip_callchain which has all 64 bit entries
+ * Will be cast to struct ip_callchain which has all 64 bit entries
* of nr and ips[].
*/
static u64 fake_callchains[][10] = {
@@ -297,7 +297,7 @@ static int test1(struct evsel *evsel, struct machine *machine)
return err;
}
-/* callcain + NO children */
+/* callchain + NO children */
static int test2(struct evsel *evsel, struct machine *machine)
{
int err;
diff --git a/tools/perf/tests/parse-metric.c b/tools/perf/tests/parse-metric.c
index 6dc1db1626ad..abb1e979c1a4 100644
--- a/tools/perf/tests/parse-metric.c
+++ b/tools/perf/tests/parse-metric.c
@@ -186,7 +186,7 @@ static int __compute_metric(const char *name, struct value *vals,
*ratio2 = compute_single(&metric_events, evlist, &st, name2);
out:
- /* ... clenup. */
+ /* ... cleanup. */
metricgroup__rblist_exit(&metric_events);
runtime_stat__exit(&st);
evlist__free_stats(evlist);
diff --git a/tools/perf/tests/topology.c b/tools/perf/tests/topology.c
index 74748ed75b2c..050489807a47 100644
--- a/tools/perf/tests/topology.c
+++ b/tools/perf/tests/topology.c
@@ -80,7 +80,7 @@ static int check_cpu_topology(char *path, struct perf_cpu_map *map)
* CPU 1 is on core_id 1 and physical_package_id 3
*
* Core_id and physical_package_id are platform and architecture
- * dependend and might have higher numbers than the CPU id.
+ * dependent and might have higher numbers than the CPU id.
* This actually depends on the configuration.
*
* In this case process_cpu_topology() prints error message:
diff --git a/tools/perf/trace/beauty/include/linux/socket.h b/tools/perf/trace/beauty/include/linux/socket.h
index 385894b4a8bb..b8fc5c53ba6f 100644
--- a/tools/perf/trace/beauty/include/linux/socket.h
+++ b/tools/perf/trace/beauty/include/linux/socket.h
@@ -85,7 +85,7 @@ struct mmsghdr {
/*
* POSIX 1003.1g - ancillary data object information
- * Ancillary data consits of a sequence of pairs of
+ * Ancillary data consists of a sequence of pairs of
* (cmsghdr, cmsg_data[])
*/
diff --git a/tools/perf/ui/browsers/annotate.c b/tools/perf/ui/browsers/annotate.c
index 35b82caf8090..376c21728e72 100644
--- a/tools/perf/ui/browsers/annotate.c
+++ b/tools/perf/ui/browsers/annotate.c
@@ -398,7 +398,7 @@ static int sym_title(struct symbol *sym, struct map *map, char *title,
}
/*
- * This can be called from external jumps, i.e. jumps from one functon
+ * This can be called from external jumps, i.e. jumps from one function
* to another, like from the kernel's entry_SYSCALL_64 function to the
* swapgs_restore_regs_and_return_to_usermode() function.
*
diff --git a/tools/perf/ui/browsers/hists.c b/tools/perf/ui/browsers/hists.c
index 3b9818ee9546..bcfd0a45953b 100644
--- a/tools/perf/ui/browsers/hists.c
+++ b/tools/perf/ui/browsers/hists.c
@@ -117,7 +117,7 @@ static void hist_browser__update_rows(struct hist_browser *hb)
browser->rows -= browser->extra_title_lines;
/*
* Verify if we were at the last line and that line isn't
- * visibe because we now show the header line(s).
+ * visible because we now show the header line(s).
*/
index_row = browser->index - browser->top_idx;
if (index_row >= browser->rows)
diff --git a/tools/perf/util/call-path.h b/tools/perf/util/call-path.h
index 6b3229106f16..5875cfc8106e 100644
--- a/tools/perf/util/call-path.h
+++ b/tools/perf/util/call-path.h
@@ -23,7 +23,7 @@
* @children: tree of call paths of functions called
*
* In combination with the call_return structure, the call_path structure
- * defines a context-sensitve call-graph.
+ * defines a context-sensitive call-graph.
*/
struct call_path {
struct call_path *parent;
diff --git a/tools/perf/util/callchain.c b/tools/perf/util/callchain.c
index 1b60985690bb..8e2777133bd9 100644
--- a/tools/perf/util/callchain.c
+++ b/tools/perf/util/callchain.c
@@ -877,7 +877,7 @@ append_chain_children(struct callchain_node *root,
if (!node)
return -1;
- /* lookup in childrens */
+ /* lookup in children */
while (*p) {
enum match_result ret;
diff --git a/tools/perf/util/cs-etm-decoder/cs-etm-decoder.c b/tools/perf/util/cs-etm-decoder/cs-etm-decoder.c
index 3f4bc4050477..de467beb9574 100644
--- a/tools/perf/util/cs-etm-decoder/cs-etm-decoder.c
+++ b/tools/perf/util/cs-etm-decoder/cs-etm-decoder.c
@@ -316,7 +316,7 @@ cs_etm_decoder__do_hard_timestamp(struct cs_etm_queue *etmq,
* This is the first timestamp we've seen since the beginning of traces
* or a discontinuity. Since timestamps packets are generated *after*
* range packets have been generated, we need to estimate the time at
- * which instructions started by substracting the number of instructions
+ * which instructions started by subtracting the number of instructions
* executed to the timestamp.
*/
packet_queue->timestamp = elem->timestamp - packet_queue->instr_count;
diff --git a/tools/perf/util/cs-etm.c b/tools/perf/util/cs-etm.c
index a2a369e2fbb6..190713e35b61 100644
--- a/tools/perf/util/cs-etm.c
+++ b/tools/perf/util/cs-etm.c
@@ -160,7 +160,7 @@ void cs_etm__etmq_set_traceid_queue_timestamp(struct cs_etm_queue *etmq,
u8 trace_chan_id)
{
/*
- * Wnen a timestamp packet is encountered the backend code
+ * When a timestamp packet is encountered the backend code
* is stopped so that the front end has time to process packets
* that were accumulated in the traceID queue. Since there can
* be more than one channel per cs_etm_queue, we need to specify
@@ -1655,7 +1655,7 @@ static bool cs_etm__is_svc_instr(struct cs_etm_queue *etmq, u8 trace_chan_id,
* | 1 1 0 1 1 1 1 1 | imm8 |
* +-----------------+--------+
*
- * According to the specifiction, it only defines SVC for T32
+ * According to the specification, it only defines SVC for T32
* with 16 bits instruction and has no definition for 32bits;
* so below only read 2 bytes as instruction size for T32.
*/
@@ -1887,7 +1887,7 @@ static int cs_etm__set_sample_flags(struct cs_etm_queue *etmq,
/*
* If the previous packet is an exception return packet
- * and the return address just follows SVC instuction,
+ * and the return address just follows SVC instruction,
* it needs to calibrate the previous packet sample flags
* as PERF_IP_FLAG_SYSCALLRET.
*/
@@ -1961,7 +1961,7 @@ static int cs_etm__set_sample_flags(struct cs_etm_queue *etmq,
* contain exception type related info so we cannot decide
* the exception type purely based on exception return packet.
* If we record the exception number from exception packet and
- * reuse it for excpetion return packet, this is not reliable
+ * reuse it for exception return packet, this is not reliable
* due the trace can be discontinuity or the interrupt can
* be nested, thus the recorded exception number cannot be
* used for exception return packet for these two cases.
diff --git a/tools/perf/util/cs-etm.h b/tools/perf/util/cs-etm.h
index 4ad925d6d799..cc3c9e11a8e3 100644
--- a/tools/perf/util/cs-etm.h
+++ b/tools/perf/util/cs-etm.h
@@ -57,7 +57,7 @@ enum {
/*
* ETMv3 exception encoding number:
- * See Embedded Trace Macrocell spcification (ARM IHI 0014Q)
+ * See Embedded Trace Macrocell specification (ARM IHI 0014Q)
* table 7-12 Encoding of Exception[3:0] for non-ARMv7-M processors.
*/
enum {
diff --git a/tools/perf/util/data-convert-bt.c b/tools/perf/util/data-convert-bt.c
index 8b67bd97d122..a9c375e63e73 100644
--- a/tools/perf/util/data-convert-bt.c
+++ b/tools/perf/util/data-convert-bt.c
@@ -949,7 +949,7 @@ static char *change_name(char *name, char *orig_name, int dup)
/*
* Add '_' prefix to potential keywork. According to
* Mathieu Desnoyers (https://lore.kernel.org/lkml/1074266107.40857.1422045946295.JavaMail.zimbra@efficios.com),
- * futher CTF spec updating may require us to use '$'.
+ * further CTF spec updating may require us to use '$'.
*/
if (dup < 0)
len = strlen(name) + sizeof("_");
diff --git a/tools/perf/util/demangle-java.c b/tools/perf/util/demangle-java.c
index 39c05200ed65..090d9face27a 100644
--- a/tools/perf/util/demangle-java.c
+++ b/tools/perf/util/demangle-java.c
@@ -147,7 +147,7 @@ __demangle_java_sym(const char *str, const char *end, char *buf, int maxlen, int
* Demangle Java function signature (openJDK, not GCJ)
* input:
* str: string to parse. String is not modified
- * flags: comobination of JAVA_DEMANGLE_* flags to modify demangling
+ * flags: combination of JAVA_DEMANGLE_* flags to modify demangling
* return:
* if input can be demangled, then a newly allocated string is returned.
* if input cannot be demangled, then NULL is returned
diff --git a/tools/perf/util/dwarf-aux.c b/tools/perf/util/dwarf-aux.c
index 7b2d471a6419..b2f4920e19a6 100644
--- a/tools/perf/util/dwarf-aux.c
+++ b/tools/perf/util/dwarf-aux.c
@@ -91,7 +91,7 @@ static Dwarf_Line *cu_getsrc_die(Dwarf_Die *cu_die, Dwarf_Addr addr)
return NULL;
} while (laddr == addr);
l++;
- /* Going foward to find the statement line */
+ /* Going forward to find the statement line */
do {
line = dwarf_onesrcline(lines, l++);
if (!line || dwarf_lineaddr(line, &laddr) != 0 ||
@@ -177,7 +177,7 @@ int cu_walk_functions_at(Dwarf_Die *cu_die, Dwarf_Addr addr,
* die_get_linkage_name - Get the linkage name of the object
* @dw_die: A DIE of the object
*
- * Get the linkage name attiribute of given @dw_die.
+ * Get the linkage name attribute of given @dw_die.
* For C++ binary, the linkage name will be the mangled symbol.
*/
const char *die_get_linkage_name(Dwarf_Die *dw_die)
@@ -739,7 +739,7 @@ static int __die_walk_instances_cb(Dwarf_Die *inst, void *data)
* @data: user data
*
* Walk on the instances of give @in_die. @in_die must be an inlined function
- * declartion. This returns the return value of @callback if it returns
+ * declaration. This returns the return value of @callback if it returns
* non-zero value, or -ENOENT if there is no instance.
*/
int die_walk_instances(Dwarf_Die *or_die, int (*callback)(Dwarf_Die *, void *),
diff --git a/tools/perf/util/dwarf-aux.h b/tools/perf/util/dwarf-aux.h
index 506006e0cf66..cb99646843a9 100644
--- a/tools/perf/util/dwarf-aux.h
+++ b/tools/perf/util/dwarf-aux.h
@@ -22,7 +22,7 @@ const char *cu_get_comp_dir(Dwarf_Die *cu_die);
int cu_find_lineinfo(Dwarf_Die *cudie, unsigned long addr,
const char **fname, int *lineno);
-/* Walk on funcitons at given address */
+/* Walk on functions at given address */
int cu_walk_functions_at(Dwarf_Die *cu_die, Dwarf_Addr addr,
int (*callback)(Dwarf_Die *, void *), void *data);
diff --git a/tools/perf/util/events_stats.h b/tools/perf/util/events_stats.h
index 859cb34fcff2..631a4af2ed86 100644
--- a/tools/perf/util/events_stats.h
+++ b/tools/perf/util/events_stats.h
@@ -21,7 +21,7 @@
* all struct perf_record_lost_samples.lost fields reported.
*
* The total_period is needed because by default auto-freq is used, so
- * multipling nr_events[PERF_EVENT_SAMPLE] by a frequency isn't possible to get
+ * multiplying nr_events[PERF_EVENT_SAMPLE] by a frequency isn't possible to get
* the total number of low level events, it is necessary to to sum all struct
* perf_record_sample.period and stash the result in total_period.
*/
diff --git a/tools/perf/util/evlist.c b/tools/perf/util/evlist.c
index 882cd1f721d9..414f4b6a0dbf 100644
--- a/tools/perf/util/evlist.c
+++ b/tools/perf/util/evlist.c
@@ -1209,7 +1209,7 @@ bool evlist__valid_read_format(struct evlist *evlist)
}
}
- /* PERF_SAMPLE_READ imples PERF_FORMAT_ID. */
+ /* PERF_SAMPLE_READ implies PERF_FORMAT_ID. */
if ((sample_type & PERF_SAMPLE_READ) &&
!(read_format & PERF_FORMAT_ID)) {
return false;
diff --git a/tools/perf/util/evsel.c b/tools/perf/util/evsel.c
index 7ecbc8e2fbfa..b072ee5d5008 100644
--- a/tools/perf/util/evsel.c
+++ b/tools/perf/util/evsel.c
@@ -621,7 +621,7 @@ const char *evsel__hw_cache_result[PERF_COUNT_HW_CACHE_RESULT_MAX][EVSEL__MAX_AL
#define COP(x) (1 << x)
/*
- * cache operartion stat
+ * cache operation stat
* L1I : Read and prefetch only
* ITLB and BPU : Read-only
*/
diff --git a/tools/perf/util/expr.h b/tools/perf/util/expr.h
index dcf8d19b83c8..85df3e4771e4 100644
--- a/tools/perf/util/expr.h
+++ b/tools/perf/util/expr.h
@@ -3,7 +3,7 @@
#define PARSE_CTX_H 1
// There are fixes that need to land upstream before we can use libbpf's headers,
-// for now use our copy uncoditionally, since the data structures at this point
+// for now use our copy unconditionally, since the data structures at this point
// are exactly the same, no problem.
//#ifdef HAVE_LIBBPF_SUPPORT
//#include <bpf/hashmap.h>
diff --git a/tools/perf/util/header.c b/tools/perf/util/header.c
index 20effdff76ce..4572aa981db5 100644
--- a/tools/perf/util/header.c
+++ b/tools/perf/util/header.c
@@ -3485,7 +3485,7 @@ static const size_t attr_pipe_abi_sizes[] = {
* between host recording the samples, and host parsing the samples is the
* same. This is not always the case given that the pipe output may always be
* redirected into a file and analyzed on a different machine with possibly a
- * different endianness and perf_event ABI revsions in the perf tool itself.
+ * different endianness and perf_event ABI revisions in the perf tool itself.
*/
static int try_all_pipe_abis(uint64_t hdr_sz, struct perf_header *ph)
{
diff --git a/tools/perf/util/levenshtein.c b/tools/perf/util/levenshtein.c
index a217ecf0359d..6a6712635aa4 100644
--- a/tools/perf/util/levenshtein.c
+++ b/tools/perf/util/levenshtein.c
@@ -30,7 +30,7 @@
*
* It does so by calculating the costs of the path ending in characters
* i (in string1) and j (in string2), respectively, given that the last
- * operation is a substition, a swap, a deletion, or an insertion.
+ * operation is a substitution, a swap, a deletion, or an insertion.
*
* This implementation allows the costs to be weighted:
*
diff --git a/tools/perf/util/libunwind/arm64.c b/tools/perf/util/libunwind/arm64.c
index 6b4e5a0892f8..c397be0c2e32 100644
--- a/tools/perf/util/libunwind/arm64.c
+++ b/tools/perf/util/libunwind/arm64.c
@@ -4,7 +4,7 @@
* generic one.
*
* The function 'LIBUNWIND__ARCH_REG_ID' name is set according to arch
- * name and the defination of this function is included directly from
+ * name and the definition of this function is included directly from
* 'arch/arm64/util/unwind-libunwind.c', to make sure that this function
* is defined no matter what arch the host is.
*
diff --git a/tools/perf/util/libunwind/x86_32.c b/tools/perf/util/libunwind/x86_32.c
index 21c216c40a3b..b2b92d030aef 100644
--- a/tools/perf/util/libunwind/x86_32.c
+++ b/tools/perf/util/libunwind/x86_32.c
@@ -4,7 +4,7 @@
* generic one.
*
* The function 'LIBUNWIND__ARCH_REG_ID' name is set according to arch
- * name and the defination of this function is included directly from
+ * name and the definition of this function is included directly from
* 'arch/x86/util/unwind-libunwind.c', to make sure that this function
* is defined no matter what arch the host is.
*
diff --git a/tools/perf/util/llvm-utils.c b/tools/perf/util/llvm-utils.c
index dbdffb6673fe..3ceaf7ef3301 100644
--- a/tools/perf/util/llvm-utils.c
+++ b/tools/perf/util/llvm-utils.c
@@ -471,7 +471,7 @@ int llvm__compile_bpf(const char *path, void **p_obj_buf,
/*
* This is an optional work. Even it fail we can continue our
- * work. Needn't to check error return.
+ * work. Needn't check error return.
*/
llvm__get_kbuild_opts(&kbuild_dir, &kbuild_include_opts);
diff --git a/tools/perf/util/machine.c b/tools/perf/util/machine.c
index b5c2d8be4144..0450032b4a3e 100644
--- a/tools/perf/util/machine.c
+++ b/tools/perf/util/machine.c
@@ -905,7 +905,7 @@ static struct map *machine__addnew_module_map(struct machine *machine, u64 start
maps__insert(&machine->kmaps, map);
- /* Put the map here because maps__insert alread got it */
+ /* Put the map here because maps__insert already got it */
map__put(map);
out:
/* put the dso here, corresponding to machine__findnew_module_dso */
@@ -1952,7 +1952,7 @@ int machine__process_fork_event(struct machine *machine, union perf_event *event
* maps because that is what the kernel just did.
*
* But when synthesizing, this should not be done. If we do, we end up
- * with overlapping maps as we process the sythesized MMAP2 events that
+ * with overlapping maps as we process the synthesized MMAP2 events that
* get delivered shortly thereafter.
*
* Use the FORK event misc flags in an internal way to signal this
@@ -2588,7 +2588,7 @@ static bool alloc_lbr_stitch(struct thread *thread, unsigned int max_lbr)
}
/*
- * Recolve LBR callstack chain sample
+ * Resolve LBR callstack chain sample
* Return:
* 1 on success get LBR callchain information
* 0 no available LBR callchain information, should try fp
diff --git a/tools/perf/util/mem-events.h b/tools/perf/util/mem-events.h
index 755cef7e0625..63dd383b6ce2 100644
--- a/tools/perf/util/mem-events.h
+++ b/tools/perf/util/mem-events.h
@@ -81,7 +81,7 @@ struct c2c_stats {
u32 rmt_dram; /* count of loads miss to remote DRAM */
u32 blk_data; /* count of loads blocked by data */
u32 blk_addr; /* count of loads blocked by address conflict */
- u32 nomap; /* count of load/stores with no phys adrs */
+ u32 nomap; /* count of load/stores with no phys addrs */
u32 noparse; /* count of unparsable data sources */
};
diff --git a/tools/perf/util/metricgroup.c b/tools/perf/util/metricgroup.c
index 26c990e32378..6acb44ad439b 100644
--- a/tools/perf/util/metricgroup.c
+++ b/tools/perf/util/metricgroup.c
@@ -181,7 +181,7 @@ static bool evsel_same_pmu(struct evsel *ev1, struct evsel *ev2)
* @pctx: the parse context for the metric expression.
* @metric_no_merge: don't attempt to share events for the metric with other
* metrics.
- * @has_constraint: is there a contraint on the group of events? In which case
+ * @has_constraint: is there a constraint on the group of events? In which case
* the events won't be grouped.
* @metric_events: out argument, null terminated array of evsel's associated
* with the metric.
diff --git a/tools/perf/util/parse-events.c b/tools/perf/util/parse-events.c
index 42c84adeb2fb..ff7b17543879 100644
--- a/tools/perf/util/parse-events.c
+++ b/tools/perf/util/parse-events.c
@@ -843,9 +843,9 @@ split_bpf_config_terms(struct list_head *evt_head_config,
struct parse_events_term *term, *temp;
/*
- * Currectly, all possible user config term
+ * Currently, all possible user config term
* belong to bpf object. parse_events__is_hardcoded_term()
- * happends to be a good flag.
+ * happens to be a good flag.
*
* See parse_events_config_bpf() and
* config_term_tracepoint().
@@ -895,7 +895,7 @@ int parse_events_load_bpf(struct parse_events_state *parse_state,
/*
* Caller doesn't know anything about obj_head_config,
- * so combine them together again before returnning.
+ * so combine them together again before returning.
*/
if (head_config)
list_splice_tail(&obj_head_config, head_config);
diff --git a/tools/perf/util/pmu.c b/tools/perf/util/pmu.c
index 44ef28302fc7..6ffc6bb20de6 100644
--- a/tools/perf/util/pmu.c
+++ b/tools/perf/util/pmu.c
@@ -1408,7 +1408,7 @@ int perf_pmu__check_alias(struct perf_pmu *pmu, struct list_head *head_terms,
}
/*
- * if no unit or scale foundin aliases, then
+ * if no unit or scale found in aliases, then
* set defaults as for evsel
* unit cannot left to NULL
*/
diff --git a/tools/perf/util/probe-event.c b/tools/perf/util/probe-event.c
index a9cff3a50ddf..a78c8d59a555 100644
--- a/tools/perf/util/probe-event.c
+++ b/tools/perf/util/probe-event.c
@@ -3228,7 +3228,7 @@ static int try_to_find_absolute_address(struct perf_probe_event *pev,
return err;
}
-/* Concatinate two arrays */
+/* Concatenate two arrays */
static void *memcat(void *a, size_t sz_a, void *b, size_t sz_b)
{
void *ret;
@@ -3258,7 +3258,7 @@ concat_probe_trace_events(struct probe_trace_event **tevs, int *ntevs,
if (*ntevs + ntevs2 > probe_conf.max_probes)
ret = -E2BIG;
else {
- /* Concatinate the array of probe_trace_event */
+ /* Concatenate the array of probe_trace_event */
new_tevs = memcat(*tevs, (*ntevs) * sizeof(**tevs),
*tevs2, ntevs2 * sizeof(**tevs2));
if (!new_tevs)
diff --git a/tools/perf/util/probe-finder.c b/tools/perf/util/probe-finder.c
index 1b118c9c86a6..954c63570181 100644
--- a/tools/perf/util/probe-finder.c
+++ b/tools/perf/util/probe-finder.c
@@ -164,7 +164,7 @@ static struct probe_trace_arg_ref *alloc_trace_arg_ref(long offs)
/*
* Convert a location into trace_arg.
* If tvar == NULL, this just checks variable can be converted.
- * If fentry == true and vr_die is a parameter, do huristic search
+ * If fentry == true and vr_die is a parameter, do heuristic search
* for the location fuzzed by function entry mcount.
*/
static int convert_variable_location(Dwarf_Die *vr_die, Dwarf_Addr addr,
@@ -1832,7 +1832,7 @@ static int line_range_walk_cb(const char *fname, int lineno,
(lf->lno_s > lineno || lf->lno_e < lineno))
return 0;
- /* Make sure this line can be reversable */
+ /* Make sure this line can be reversible */
if (cu_find_lineinfo(&lf->cu_die, addr, &__fname, &__lineno) > 0
&& (lineno != __lineno || strcmp(fname, __fname)))
return 0;
diff --git a/tools/perf/util/s390-cpumsf.c b/tools/perf/util/s390-cpumsf.c
index 078a71773565..8130b56aa04b 100644
--- a/tools/perf/util/s390-cpumsf.c
+++ b/tools/perf/util/s390-cpumsf.c
@@ -45,7 +45,7 @@
* the data portion is mmap()'ed.
*
* To sort the queues in chronological order, all queue access is controlled
- * by the auxtrace_heap. This is basicly a stack, each stack element has two
+ * by the auxtrace_heap. This is basically a stack, each stack element has two
* entries, the queue number and a time stamp. However the stack is sorted by
* the time stamps. The highest time stamp is at the bottom the lowest
* (nearest) time stamp is at the top. That sort order is maintained at all
@@ -65,11 +65,11 @@
* stamp of the last processed entry of the auxtrace_buffer replaces the
* current auxtrace_heap top.
*
- * 3. Auxtrace_queues might run of out data and are feeded by the
+ * 3. Auxtrace_queues might run of out data and are fed by the
* PERF_RECORD_AUXTRACE handling, see s390_cpumsf_process_auxtrace_event().
*
* Event Generation
- * Each sampling-data entry in the auxilary trace data generates a perf sample.
+ * Each sampling-data entry in the auxiliary trace data generates a perf sample.
* This sample is filled
* with data from the auxtrace such as PID/TID, instruction address, CPU state,
* etc. This sample is processed with perf_session__deliver_synth_event() to
@@ -575,7 +575,7 @@ static unsigned long long get_trailer_time(const unsigned char *buf)
* pointer to the queue, the second parameter is the time stamp. This
* is the time stamp:
* - of the event that triggered this processing.
- * - or the time stamp when the last proccesing of this queue stopped.
+ * - or the time stamp when the last processing of this queue stopped.
* In this case it stopped at a 4KB page boundary and record the
* position on where to continue processing on the next invocation
* (see buffer->use_data and buffer->use_size).
@@ -640,7 +640,7 @@ static int s390_cpumsf_samples(struct s390_cpumsf_queue *sfq, u64 *ts)
goto out;
}
- pos += dsdes; /* Skip diagnositic entry */
+ pos += dsdes; /* Skip diagnostic entry */
/* Check for trailer entry */
if (!s390_cpumsf_reached_trailer(bsdes + dsdes, pos)) {
diff --git a/tools/perf/util/session.c b/tools/perf/util/session.c
index 859832a82496..f5becf67c350 100644
--- a/tools/perf/util/session.c
+++ b/tools/perf/util/session.c
@@ -1069,7 +1069,7 @@ static void callchain__lbr_callstack_printf(struct perf_sample *sample)
* in "to" register.
* For example, there is a call stack
* "A"->"B"->"C"->"D".
- * The LBR registers will recorde like
+ * The LBR registers will be recorded like
* "C"->"D", "B"->"C", "A"->"B".
* So only the first "to" register and all "from"
* registers are needed to construct the whole stack.
diff --git a/tools/perf/util/symbol-elf.c b/tools/perf/util/symbol-elf.c
index 6dff843fd883..4c56aa837434 100644
--- a/tools/perf/util/symbol-elf.c
+++ b/tools/perf/util/symbol-elf.c
@@ -1058,7 +1058,7 @@ static int dso__process_kernel_symbol(struct dso *dso, struct map *map,
curr_dso->symtab_type = dso->symtab_type;
maps__insert(kmaps, curr_map);
/*
- * Add it before we drop the referece to curr_map, i.e. while
+ * Add it before we drop the reference to curr_map, i.e. while
* we still are sure to have a reference to this DSO via
* *curr_map->dso.
*/
diff --git a/tools/perf/util/synthetic-events.c b/tools/perf/util/synthetic-events.c
index b698046ec2db..49c9353ff9fc 100644
--- a/tools/perf/util/synthetic-events.c
+++ b/tools/perf/util/synthetic-events.c
@@ -1210,7 +1210,7 @@ static size_t mask_size(struct perf_cpu_map *map, int *max)
*max = 0;
for (i = 0; i < map->nr; i++) {
- /* bit possition of the cpu is + 1 */
+ /* bit position of the cpu is + 1 */
int bit = map->map[i] + 1;
if (bit > *max)
@@ -1236,7 +1236,7 @@ void *cpu_map_data__alloc(struct perf_cpu_map *map, size_t *size, u16 *type, int
* mask = size of 'struct perf_record_record_cpu_map' +
* maximum cpu bit converted to size of longs
*
- * and finaly + the size of 'struct perf_record_cpu_map_data'.
+ * and finally + the size of 'struct perf_record_cpu_map_data'.
*/
size_cpus = cpus_size(map);
size_mask = mask_size(map, max);
diff --git a/tools/perf/util/unwind-libunwind-local.c b/tools/perf/util/unwind-libunwind-local.c
index 9aededc0bc06..71a353349181 100644
--- a/tools/perf/util/unwind-libunwind-local.c
+++ b/tools/perf/util/unwind-libunwind-local.c
@@ -82,7 +82,7 @@ UNW_OBJ(dwarf_find_debug_frame) (int found, unw_dyn_info_t *di_debug,
#define DW_EH_PE_funcrel 0x40 /* start-of-procedure-relative */
#define DW_EH_PE_aligned 0x50 /* aligned pointer */
-/* Flags intentionaly not handled, since they're not needed:
+/* Flags intentionally not handled, since they're not needed:
* #define DW_EH_PE_indirect 0x80
* #define DW_EH_PE_uleb128 0x01
* #define DW_EH_PE_udata2 0x02
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