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Date: Sun, 1 Jun 2014 15:31:37 +0200
From: Jiri Olsa <jolsa@...nel.org>
To: Ingo Molnar <mingo@...nel.org>
Cc: linux-kernel@...r.kernel.org, Namhyung Kim <namhyung@...nel.org>,
Arun Sharma <asharma@...com>,
Frederic Weisbecker <fweisbec@...il.com>,
Jiri Olsa <jolsa@...nel.org>
Subject: [PATCH 26/27] perf tests: Define and use symbolic names for fake symbols
From: Namhyung Kim <namhyung@...nel.org>
In various histogram test cases, fake symbols are used as raw numbers.
Define macros for each pid, map, symbols so that it can increase
readability somewhat.
Signed-off-by: Namhyung Kim <namhyung@...nel.org>
Cc: Arun Sharma <asharma@...com>
Cc: Frederic Weisbecker <fweisbec@...il.com>
Link: http://lkml.kernel.org/r/1401335910-16832-27-git-send-email-namhyung@kernel.org
Signed-off-by: Jiri Olsa <jolsa@...nel.org>
---
tools/perf/tests/hists_common.c | 47 ++++++++++++++++++++++-------------------
tools/perf/tests/hists_common.h | 32 ++++++++++++++++++++++++++--
tools/perf/tests/hists_filter.c | 23 ++++++++++----------
tools/perf/tests/hists_link.c | 32 ++++++++++++++--------------
tools/perf/tests/hists_output.c | 20 +++++++++---------
5 files changed, 92 insertions(+), 62 deletions(-)
diff --git a/tools/perf/tests/hists_common.c b/tools/perf/tests/hists_common.c
index e4e01aad..e4e120d 100644
--- a/tools/perf/tests/hists_common.c
+++ b/tools/perf/tests/hists_common.c
@@ -12,9 +12,9 @@ static struct {
u32 pid;
const char *comm;
} fake_threads[] = {
- { 100, "perf" },
- { 200, "perf" },
- { 300, "bash" },
+ { FAKE_PID_PERF1, "perf" },
+ { FAKE_PID_PERF2, "perf" },
+ { FAKE_PID_BASH, "bash" },
};
static struct {
@@ -22,15 +22,15 @@ static struct {
u64 start;
const char *filename;
} fake_mmap_info[] = {
- { 100, 0x40000, "perf" },
- { 100, 0x50000, "libc" },
- { 100, 0xf0000, "[kernel]" },
- { 200, 0x40000, "perf" },
- { 200, 0x50000, "libc" },
- { 200, 0xf0000, "[kernel]" },
- { 300, 0x40000, "bash" },
- { 300, 0x50000, "libc" },
- { 300, 0xf0000, "[kernel]" },
+ { FAKE_PID_PERF1, FAKE_MAP_PERF, "perf" },
+ { FAKE_PID_PERF1, FAKE_MAP_LIBC, "libc" },
+ { FAKE_PID_PERF1, FAKE_MAP_KERNEL, "[kernel]" },
+ { FAKE_PID_PERF2, FAKE_MAP_PERF, "perf" },
+ { FAKE_PID_PERF2, FAKE_MAP_LIBC, "libc" },
+ { FAKE_PID_PERF2, FAKE_MAP_KERNEL, "[kernel]" },
+ { FAKE_PID_BASH, FAKE_MAP_BASH, "bash" },
+ { FAKE_PID_BASH, FAKE_MAP_LIBC, "libc" },
+ { FAKE_PID_BASH, FAKE_MAP_KERNEL, "[kernel]" },
};
struct fake_sym {
@@ -40,27 +40,30 @@ struct fake_sym {
};
static struct fake_sym perf_syms[] = {
- { 700, 100, "main" },
- { 800, 100, "run_command" },
- { 900, 100, "cmd_record" },
+ { FAKE_SYM_OFFSET1, FAKE_SYM_LENGTH, "main" },
+ { FAKE_SYM_OFFSET2, FAKE_SYM_LENGTH, "run_command" },
+ { FAKE_SYM_OFFSET3, FAKE_SYM_LENGTH, "cmd_record" },
};
static struct fake_sym bash_syms[] = {
- { 700, 100, "main" },
- { 800, 100, "xmalloc" },
- { 900, 100, "xfree" },
+ { FAKE_SYM_OFFSET1, FAKE_SYM_LENGTH, "main" },
+ { FAKE_SYM_OFFSET2, FAKE_SYM_LENGTH, "xmalloc" },
+ { FAKE_SYM_OFFSET3, FAKE_SYM_LENGTH, "xfree" },
};
static struct fake_sym libc_syms[] = {
{ 700, 100, "malloc" },
{ 800, 100, "free" },
{ 900, 100, "realloc" },
+ { FAKE_SYM_OFFSET1, FAKE_SYM_LENGTH, "malloc" },
+ { FAKE_SYM_OFFSET2, FAKE_SYM_LENGTH, "free" },
+ { FAKE_SYM_OFFSET3, FAKE_SYM_LENGTH, "realloc" },
};
static struct fake_sym kernel_syms[] = {
- { 700, 100, "schedule" },
- { 800, 100, "page_fault" },
- { 900, 100, "sys_perf_event_open" },
+ { FAKE_SYM_OFFSET1, FAKE_SYM_LENGTH, "schedule" },
+ { FAKE_SYM_OFFSET2, FAKE_SYM_LENGTH, "page_fault" },
+ { FAKE_SYM_OFFSET3, FAKE_SYM_LENGTH, "sys_perf_event_open" },
};
static struct {
@@ -102,7 +105,7 @@ struct machine *setup_fake_machine(struct machines *machines)
.pid = fake_mmap_info[i].pid,
.tid = fake_mmap_info[i].pid,
.start = fake_mmap_info[i].start,
- .len = 0x1000ULL,
+ .len = FAKE_MAP_LENGTH,
.pgoff = 0ULL,
},
};
diff --git a/tools/perf/tests/hists_common.h b/tools/perf/tests/hists_common.h
index 1415ae6..888254e 100644
--- a/tools/perf/tests/hists_common.h
+++ b/tools/perf/tests/hists_common.h
@@ -4,6 +4,34 @@
struct machine;
struct machines;
+#define FAKE_PID_PERF1 100
+#define FAKE_PID_PERF2 200
+#define FAKE_PID_BASH 300
+
+#define FAKE_MAP_PERF 0x400000
+#define FAKE_MAP_BASH 0x400000
+#define FAKE_MAP_LIBC 0x500000
+#define FAKE_MAP_KERNEL 0xf00000
+#define FAKE_MAP_LENGTH 0x100000
+
+#define FAKE_SYM_OFFSET1 700
+#define FAKE_SYM_OFFSET2 800
+#define FAKE_SYM_OFFSET3 900
+#define FAKE_SYM_LENGTH 100
+
+#define FAKE_IP_PERF_MAIN FAKE_MAP_PERF + FAKE_SYM_OFFSET1
+#define FAKE_IP_PERF_RUN_COMMAND FAKE_MAP_PERF + FAKE_SYM_OFFSET2
+#define FAKE_IP_PERF_CMD_RECORD FAKE_MAP_PERF + FAKE_SYM_OFFSET3
+#define FAKE_IP_BASH_MAIN FAKE_MAP_BASH + FAKE_SYM_OFFSET1
+#define FAKE_IP_BASH_XMALLOC FAKE_MAP_BASH + FAKE_SYM_OFFSET2
+#define FAKE_IP_BASH_XFREE FAKE_MAP_BASH + FAKE_SYM_OFFSET3
+#define FAKE_IP_LIBC_MALLOC FAKE_MAP_LIBC + FAKE_SYM_OFFSET1
+#define FAKE_IP_LIBC_FREE FAKE_MAP_LIBC + FAKE_SYM_OFFSET2
+#define FAKE_IP_LIBC_REALLOC FAKE_MAP_LIBC + FAKE_SYM_OFFSET3
+#define FAKE_IP_KERNEL_SCHEDULE FAKE_MAP_KERNEL + FAKE_SYM_OFFSET1
+#define FAKE_IP_KERNEL_PAGE_FAULT FAKE_MAP_KERNEL + FAKE_SYM_OFFSET2
+#define FAKE_IP_KERNEL_SYS_PERF_EVENT_OPEN FAKE_MAP_KERNEL + FAKE_SYM_OFFSET3
+
/*
* The setup_fake_machine() provides a test environment which consists
* of 3 processes that have 3 mappings and in turn, have 3 symbols
@@ -13,7 +41,7 @@ struct machines;
* ............. ............. ...................
* perf: 100 perf main
* perf: 100 perf run_command
- * perf: 100 perf comd_record
+ * perf: 100 perf cmd_record
* perf: 100 libc malloc
* perf: 100 libc free
* perf: 100 libc realloc
@@ -22,7 +50,7 @@ struct machines;
* perf: 100 [kernel] sys_perf_event_open
* perf: 200 perf main
* perf: 200 perf run_command
- * perf: 200 perf comd_record
+ * perf: 200 perf cmd_record
* perf: 200 libc malloc
* perf: 200 libc free
* perf: 200 libc realloc
diff --git a/tools/perf/tests/hists_filter.c b/tools/perf/tests/hists_filter.c
index 3539403..821f581 100644
--- a/tools/perf/tests/hists_filter.c
+++ b/tools/perf/tests/hists_filter.c
@@ -21,25 +21,25 @@ struct sample {
/* For the numbers, see hists_common.c */
static struct sample fake_samples[] = {
/* perf [kernel] schedule() */
- { .pid = 100, .ip = 0xf0000 + 700, },
+ { .pid = FAKE_PID_PERF1, .ip = FAKE_IP_KERNEL_SCHEDULE, },
/* perf [perf] main() */
- { .pid = 100, .ip = 0x40000 + 700, },
+ { .pid = FAKE_PID_PERF1, .ip = FAKE_IP_PERF_MAIN, },
/* perf [libc] malloc() */
- { .pid = 100, .ip = 0x50000 + 700, },
+ { .pid = FAKE_PID_PERF1, .ip = FAKE_IP_LIBC_MALLOC, },
/* perf [perf] main() */
- { .pid = 200, .ip = 0x40000 + 700, }, /* will be merged */
+ { .pid = FAKE_PID_PERF2, .ip = FAKE_IP_PERF_MAIN, }, /* will be merged */
/* perf [perf] cmd_record() */
- { .pid = 200, .ip = 0x40000 + 900, },
+ { .pid = FAKE_PID_PERF2, .ip = FAKE_IP_PERF_CMD_RECORD, },
/* perf [kernel] page_fault() */
- { .pid = 200, .ip = 0xf0000 + 800, },
+ { .pid = FAKE_PID_PERF2, .ip = FAKE_IP_KERNEL_PAGE_FAULT, },
/* bash [bash] main() */
- { .pid = 300, .ip = 0x40000 + 700, },
+ { .pid = FAKE_PID_BASH, .ip = FAKE_IP_BASH_MAIN, },
/* bash [bash] xmalloc() */
- { .pid = 300, .ip = 0x40000 + 800, },
+ { .pid = FAKE_PID_BASH, .ip = FAKE_IP_BASH_XMALLOC, },
/* bash [libc] malloc() */
- { .pid = 300, .ip = 0x50000 + 700, },
+ { .pid = FAKE_PID_BASH, .ip = FAKE_IP_LIBC_MALLOC, },
/* bash [kernel] page_fault() */
- { .pid = 300, .ip = 0xf0000 + 800, },
+ { .pid = FAKE_PID_BASH, .ip = FAKE_IP_KERNEL_PAGE_FAULT, },
};
static int add_hist_entries(struct perf_evlist *evlist,
@@ -47,7 +47,7 @@ static int add_hist_entries(struct perf_evlist *evlist,
{
struct perf_evsel *evsel;
struct addr_location al;
- struct perf_sample sample = { .cpu = 0, };
+ struct perf_sample sample = { .period = 100, };
size_t i;
/*
@@ -75,7 +75,6 @@ static int add_hist_entries(struct perf_evlist *evlist,
sample.pid = fake_samples[i].pid;
sample.tid = fake_samples[i].pid;
sample.ip = fake_samples[i].ip;
- sample.period = 100;
if (perf_event__preprocess_sample(&event, machine, &al,
&sample) < 0)
diff --git a/tools/perf/tests/hists_link.c b/tools/perf/tests/hists_link.c
index ca6693b..d4b34b0 100644
--- a/tools/perf/tests/hists_link.c
+++ b/tools/perf/tests/hists_link.c
@@ -21,41 +21,41 @@ struct sample {
/* For the numbers, see hists_common.c */
static struct sample fake_common_samples[] = {
/* perf [kernel] schedule() */
- { .pid = 100, .ip = 0xf0000 + 700, },
+ { .pid = FAKE_PID_PERF1, .ip = FAKE_IP_KERNEL_SCHEDULE, },
/* perf [perf] main() */
- { .pid = 200, .ip = 0x40000 + 700, },
+ { .pid = FAKE_PID_PERF2, .ip = FAKE_IP_PERF_MAIN, },
/* perf [perf] cmd_record() */
- { .pid = 200, .ip = 0x40000 + 900, },
+ { .pid = FAKE_PID_PERF2, .ip = FAKE_IP_PERF_CMD_RECORD, },
/* bash [bash] xmalloc() */
- { .pid = 300, .ip = 0x40000 + 800, },
+ { .pid = FAKE_PID_BASH, .ip = FAKE_IP_BASH_XMALLOC, },
/* bash [libc] malloc() */
- { .pid = 300, .ip = 0x50000 + 700, },
+ { .pid = FAKE_PID_BASH, .ip = FAKE_IP_LIBC_MALLOC, },
};
static struct sample fake_samples[][5] = {
{
/* perf [perf] run_command() */
- { .pid = 100, .ip = 0x40000 + 800, },
+ { .pid = FAKE_PID_PERF1, .ip = FAKE_IP_PERF_RUN_COMMAND, },
/* perf [libc] malloc() */
- { .pid = 100, .ip = 0x50000 + 700, },
+ { .pid = FAKE_PID_PERF1, .ip = FAKE_IP_LIBC_MALLOC, },
/* perf [kernel] page_fault() */
- { .pid = 100, .ip = 0xf0000 + 800, },
+ { .pid = FAKE_PID_PERF1, .ip = FAKE_IP_KERNEL_PAGE_FAULT, },
/* perf [kernel] sys_perf_event_open() */
- { .pid = 200, .ip = 0xf0000 + 900, },
+ { .pid = FAKE_PID_PERF2, .ip = FAKE_IP_KERNEL_SYS_PERF_EVENT_OPEN, },
/* bash [libc] free() */
- { .pid = 300, .ip = 0x50000 + 800, },
+ { .pid = FAKE_PID_BASH, .ip = FAKE_IP_LIBC_FREE, },
},
{
/* perf [libc] free() */
- { .pid = 200, .ip = 0x50000 + 800, },
+ { .pid = FAKE_PID_PERF2, .ip = FAKE_IP_LIBC_FREE, },
/* bash [libc] malloc() */
- { .pid = 300, .ip = 0x50000 + 700, }, /* will be merged */
+ { .pid = FAKE_PID_BASH, .ip = FAKE_IP_LIBC_MALLOC, }, /* will be merged */
/* bash [bash] xfee() */
- { .pid = 300, .ip = 0x40000 + 900, },
+ { .pid = FAKE_PID_BASH, .ip = FAKE_IP_BASH_XFREE, },
/* bash [libc] realloc() */
- { .pid = 300, .ip = 0x50000 + 900, },
+ { .pid = FAKE_PID_BASH, .ip = FAKE_IP_LIBC_REALLOC, },
/* bash [kernel] page_fault() */
- { .pid = 300, .ip = 0xf0000 + 800, },
+ { .pid = FAKE_PID_BASH, .ip = FAKE_IP_KERNEL_PAGE_FAULT, },
},
};
@@ -64,7 +64,7 @@ static int add_hist_entries(struct perf_evlist *evlist, struct machine *machine)
struct perf_evsel *evsel;
struct addr_location al;
struct hist_entry *he;
- struct perf_sample sample = { .cpu = 0, };
+ struct perf_sample sample = { .period = 1, };
size_t i = 0, k;
/*
diff --git a/tools/perf/tests/hists_output.c b/tools/perf/tests/hists_output.c
index d40461e..e3bbd6c 100644
--- a/tools/perf/tests/hists_output.c
+++ b/tools/perf/tests/hists_output.c
@@ -22,25 +22,25 @@ struct sample {
/* For the numbers, see hists_common.c */
static struct sample fake_samples[] = {
/* perf [kernel] schedule() */
- { .cpu = 0, .pid = 100, .ip = 0xf0000 + 700, },
+ { .cpu = 0, .pid = FAKE_PID_PERF1, .ip = FAKE_IP_KERNEL_SCHEDULE, },
/* perf [perf] main() */
- { .cpu = 1, .pid = 100, .ip = 0x40000 + 700, },
+ { .cpu = 1, .pid = FAKE_PID_PERF1, .ip = FAKE_IP_PERF_MAIN, },
/* perf [perf] cmd_record() */
- { .cpu = 1, .pid = 100, .ip = 0x40000 + 900, },
+ { .cpu = 1, .pid = FAKE_PID_PERF1, .ip = FAKE_IP_PERF_CMD_RECORD, },
/* perf [libc] malloc() */
- { .cpu = 1, .pid = 100, .ip = 0x50000 + 700, },
+ { .cpu = 1, .pid = FAKE_PID_PERF1, .ip = FAKE_IP_LIBC_MALLOC, },
/* perf [libc] free() */
- { .cpu = 2, .pid = 100, .ip = 0x50000 + 800, },
+ { .cpu = 2, .pid = FAKE_PID_PERF1, .ip = FAKE_IP_LIBC_FREE, },
/* perf [perf] main() */
- { .cpu = 2, .pid = 200, .ip = 0x40000 + 700, },
+ { .cpu = 2, .pid = FAKE_PID_PERF2, .ip = FAKE_IP_PERF_MAIN, },
/* perf [kernel] page_fault() */
- { .cpu = 2, .pid = 200, .ip = 0xf0000 + 800, },
+ { .cpu = 2, .pid = FAKE_PID_PERF2, .ip = FAKE_IP_KERNEL_PAGE_FAULT, },
/* bash [bash] main() */
- { .cpu = 3, .pid = 300, .ip = 0x40000 + 700, },
+ { .cpu = 3, .pid = FAKE_PID_BASH, .ip = FAKE_IP_BASH_MAIN, },
/* bash [bash] xmalloc() */
- { .cpu = 0, .pid = 300, .ip = 0x40000 + 800, },
+ { .cpu = 0, .pid = FAKE_PID_BASH, .ip = FAKE_IP_BASH_XMALLOC, },
/* bash [kernel] page_fault() */
- { .cpu = 1, .pid = 300, .ip = 0xf0000 + 800, },
+ { .cpu = 1, .pid = FAKE_PID_BASH, .ip = FAKE_IP_KERNEL_PAGE_FAULT, },
};
static int add_hist_entries(struct hists *hists, struct machine *machine)
--
1.8.3.1
--
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