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authorPeter Zijlstra <a.p.zijlstra@chello.nl>2009-06-04 16:53:49 +0200
committerIngo Molnar <mingo@elte.hu>2009-06-04 17:51:39 +0200
commit62fc44536c14b5787531bac7417580fca54c88b4 (patch)
tree6b43ae4d32a1087f5e1bfa04d323fae8067a8ce4 /Documentation/perf_counter/builtin-top.c
parentd99e9446200c1ffab28cb0e39b76c34a2bfafd06 (diff)
downloadlwn-62fc44536c14b5787531bac7417580fca54c88b4.tar.gz
lwn-62fc44536c14b5787531bac7417580fca54c88b4.zip
perf_counter tools: Use fork and remove munmap events
Use fork events to clone comm and map data and remove everything munmap related Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Mike Galbraith <efault@gmx.de> Cc: Paul Mackerras <paulus@samba.org> Cc: Arnaldo Carvalho de Melo <acme@redhat.com> LKML-Reference: <new-submission> Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'Documentation/perf_counter/builtin-top.c')
-rw-r--r--Documentation/perf_counter/builtin-top.c21
1 files changed, 0 insertions, 21 deletions
diff --git a/Documentation/perf_counter/builtin-top.c b/Documentation/perf_counter/builtin-top.c
index 20e5b1200959..31c00ba99b14 100644
--- a/Documentation/perf_counter/builtin-top.c
+++ b/Documentation/perf_counter/builtin-top.c
@@ -75,8 +75,6 @@ static unsigned int realtime_prio = 0;
static int group = 0;
static unsigned int page_size;
static unsigned int mmap_pages = 16;
-static int use_mmap = 0;
-static int use_munmap = 0;
static int freq = 0;
static char *sym_filter;
@@ -527,19 +525,6 @@ static void mmap_read(struct mmap_data *md)
if (event->header.misc & PERF_EVENT_MISC_OVERFLOW) {
if (event->header.type & PERF_SAMPLE_IP)
process_event(event->ip.ip, md->counter);
- } else {
- switch (event->header.type) {
- case PERF_EVENT_MMAP:
- case PERF_EVENT_MUNMAP:
- printf("%s: %Lu %Lu %Lu %s\n",
- event->header.type == PERF_EVENT_MMAP
- ? "mmap" : "munmap",
- event->mmap.start,
- event->mmap.len,
- event->mmap.pgoff,
- event->mmap.filename);
- break;
- }
}
}
@@ -569,8 +554,6 @@ static int __cmd_top(void)
attr.config = event_id[counter];
attr.sample_period = event_count[counter];
attr.sample_type = PERF_SAMPLE_IP | PERF_SAMPLE_TID;
- attr.mmap = use_mmap;
- attr.munmap = use_munmap;
attr.freq = freq;
fd[i][counter] = sys_perf_counter_open(&attr, target_pid, cpu, group_fd, 0);
@@ -670,10 +653,6 @@ static const struct option options[] = {
"only display symbols matchig this pattern"),
OPT_BOOLEAN('z', "zero", &group,
"zero history across updates"),
- OPT_BOOLEAN('M', "use-mmap", &use_mmap,
- "track mmap events"),
- OPT_BOOLEAN('U', "use-munmap", &use_munmap,
- "track munmap events"),
OPT_INTEGER('F', "freq", &freq,
"profile at this frequency"),
OPT_INTEGER('E', "entries", &print_entries,