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author | Linus Torvalds <torvalds@linux-foundation.org> | 2012-02-10 21:05:07 +0400 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2012-02-10 21:05:07 +0400 |
commit | ce2814f227d3adae8456f7cbd0bd5f922fd284f0 (patch) | |
tree | 351a35a80fb62307ea48bc1b74f687d309dbb31a /tools/perf | |
parent | 1282ab3f8f7bca1d3a7fb701fbe4f0f772e72ea0 (diff) | |
parent | f39d47ff819ed52a2afbdbecbe35f23f7755f58d (diff) | |
download | linux-ce2814f227d3adae8456f7cbd0bd5f922fd284f0.tar.xz |
Merge branch 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
* 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
perf: Fix double start/stop in x86_pmu_start()
perf evsel: Fix an issue where perf report fails to show the proper percentage
perf tools: Fix prefix matching for kernel maps
perf tools: Fix perf stack to non executable on x86_64
perf: Remove deprecated WARN_ON_ONCE()
Diffstat (limited to 'tools/perf')
-rw-r--r-- | tools/perf/bench/mem-memcpy-x86-64-asm.S | 6 | ||||
-rw-r--r-- | tools/perf/util/event.c | 2 | ||||
-rw-r--r-- | tools/perf/util/evsel.c | 1 |
3 files changed, 8 insertions, 1 deletions
diff --git a/tools/perf/bench/mem-memcpy-x86-64-asm.S b/tools/perf/bench/mem-memcpy-x86-64-asm.S index a57b66e853c2..185a96d66dd1 100644 --- a/tools/perf/bench/mem-memcpy-x86-64-asm.S +++ b/tools/perf/bench/mem-memcpy-x86-64-asm.S @@ -1,2 +1,8 @@ #include "../../../arch/x86/lib/memcpy_64.S" +/* + * We need to provide note.GNU-stack section, saying that we want + * NOT executable stack. Otherwise the final linking will assume that + * the ELF stack should not be restricted at all and set it RWX. + */ +.section .note.GNU-stack,"",@progbits diff --git a/tools/perf/util/event.c b/tools/perf/util/event.c index 73ddaf06b8e7..2044324b755a 100644 --- a/tools/perf/util/event.c +++ b/tools/perf/util/event.c @@ -554,7 +554,7 @@ static int perf_event__process_kernel_mmap(struct perf_tool *tool __used, is_kernel_mmap = memcmp(event->mmap.filename, kmmap_prefix, - strlen(kmmap_prefix)) == 0; + strlen(kmmap_prefix) - 1) == 0; if (event->mmap.filename[0] == '/' || (!is_kernel_mmap && event->mmap.filename[0] == '[')) { diff --git a/tools/perf/util/evsel.c b/tools/perf/util/evsel.c index 667f3b78bb2c..7132ee834e0e 100644 --- a/tools/perf/util/evsel.c +++ b/tools/perf/util/evsel.c @@ -463,6 +463,7 @@ int perf_event__parse_sample(const union perf_event *event, u64 type, memset(data, 0, sizeof(*data)); data->cpu = data->pid = data->tid = -1; data->stream_id = data->id = data->time = -1ULL; + data->period = 1; if (event->header.type != PERF_RECORD_SAMPLE) { if (!sample_id_all) |