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Date: Tue, 18 Jan 2011 10:42:47 +0100
From: Ingo Molnar <mingo@...e.hu>
To: Linus Torvalds <torvalds@...ux-foundation.org>
Cc: linux-kernel@...r.kernel.org,
Arnaldo Carvalho de Melo <acme@...hat.com>,
Peter Zijlstra <a.p.zijlstra@...llo.nl>,
Thomas Gleixner <tglx@...utronix.de>,
Andrew Morton <akpm@...ux-foundation.org>
Subject: [GIT PULL] perf fixes
Linus,
Please pull the latest perf-fixes-for-linus git tree from:
git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip.git perf-fixes-for-linus
Thanks,
Ingo
------------------>
Anton Blanchard (1):
powerpc: perf: Fix frequency calculation for overflowing counters
Arnaldo Carvalho de Melo (2):
perf tools: Fix handling of wildcards in tracepoint event selectors
perf tools: Fix tracepoint id to string perf.data header table
arch/powerpc/kernel/perf_event.c | 1 +
tools/perf/builtin-record.c | 2 ++
tools/perf/util/parse-events.c | 31 +------------------------------
3 files changed, 4 insertions(+), 30 deletions(-)
diff --git a/arch/powerpc/kernel/perf_event.c b/arch/powerpc/kernel/perf_event.c
index 5674807..ab6f6be 100644
--- a/arch/powerpc/kernel/perf_event.c
+++ b/arch/powerpc/kernel/perf_event.c
@@ -1212,6 +1212,7 @@ static void record_and_restart(struct perf_event *event, unsigned long val,
if (left <= 0)
left = period;
record = 1;
+ event->hw.last_period = event->hw.sample_period;
}
if (left < 0x80000000LL)
val = 0x80000000LL - left;
diff --git a/tools/perf/builtin-record.c b/tools/perf/builtin-record.c
index df6064a..fcd29e8 100644
--- a/tools/perf/builtin-record.c
+++ b/tools/perf/builtin-record.c
@@ -936,6 +936,8 @@ int cmd_record(int argc, const char **argv, const char *prefix __used)
list_for_each_entry(pos, &evsel_list, node) {
if (perf_evsel__alloc_fd(pos, cpus->nr, threads->nr) < 0)
goto out_free_fd;
+ if (perf_header__push_event(pos->attr.config, event_name(pos)))
+ goto out_free_fd;
}
event_array = malloc((sizeof(struct pollfd) * MAX_NR_CPUS *
MAX_COUNTERS * threads->nr));
diff --git a/tools/perf/util/parse-events.c b/tools/perf/util/parse-events.c
index 5cb6f4b..bc2732e 100644
--- a/tools/perf/util/parse-events.c
+++ b/tools/perf/util/parse-events.c
@@ -490,32 +490,6 @@ parse_multiple_tracepoint_event(char *sys_name, const char *evt_exp,
return EVT_HANDLED_ALL;
}
-static int store_event_type(const char *orgname)
-{
- char filename[PATH_MAX], *c;
- FILE *file;
- int id, n;
-
- sprintf(filename, "%s/", debugfs_path);
- strncat(filename, orgname, strlen(orgname));
- strcat(filename, "/id");
-
- c = strchr(filename, ':');
- if (c)
- *c = '/';
-
- file = fopen(filename, "r");
- if (!file)
- return 0;
- n = fscanf(file, "%i", &id);
- fclose(file);
- if (n < 1) {
- pr_err("cannot store event ID\n");
- return -EINVAL;
- }
- return perf_header__push_event(id, orgname);
-}
-
static enum event_result parse_tracepoint_event(const char **strp,
struct perf_event_attr *attr)
{
@@ -555,13 +529,10 @@ static enum event_result parse_tracepoint_event(const char **strp,
if (evt_length >= MAX_EVENT_LENGTH)
return EVT_FAILED;
if (strpbrk(evt_name, "*?")) {
- *strp += strlen(sys_name) + evt_length;
+ *strp += strlen(sys_name) + evt_length + 1; /* 1 == the ':' */
return parse_multiple_tracepoint_event(sys_name, evt_name,
flags);
} else {
- if (store_event_type(evt_name) < 0)
- return EVT_FAILED;
-
return parse_single_tracepoint_event(sys_name, evt_name,
evt_length, attr, strp);
}
--
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