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authorThomas Renninger <trenn@suse.de>2011-02-27 22:36:46 +0100
committerIngo Molnar <mingo@elte.hu>2011-02-28 08:56:15 +0100
commit54b08f5f90feebc9756d96e0c7bf2fdffe4af7c3 (patch)
tree1187a88a0bd3250b2093086e961403e2cb767b25 /tools
parente853072055a01d8b3c4dc89d231649189454c4f1 (diff)
downloadlinux-2.6.38-lt-ux500-54b08f5f90feebc9756d96e0c7bf2fdffe4af7c3.tar.gz
perf timechart: Fix max number of cpus
Currently numcpus is determined in pid_put_sample which is only called on sched_switch/sched_wakeup sample processing. On a machine with a lot cpus I often saw the last cpu missing. Check for (max) numcpus on every event happening and in the beginning. -> fixes the issue for me. Signed-off-by: Thomas Renninger <trenn@suse.de> Cc: Arjan van de Ven <arjan@linux.intel.com> Cc: Arnaldo Carvalho de Melo <acme@ghostprotocols.net> Cc: lenb@kernel.org LKML-Reference: <1298842606-55712-6-git-send-email-trenn@suse.de> Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'tools')
-rw-r--r--tools/perf/builtin-timechart.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/tools/perf/builtin-timechart.c b/tools/perf/builtin-timechart.c
index 746cf03cb05..0ace786e83e 100644
--- a/tools/perf/builtin-timechart.c
+++ b/tools/perf/builtin-timechart.c
@@ -264,9 +264,6 @@ pid_put_sample(int pid, int type, unsigned int cpu, u64 start, u64 end)
c->start_time = start;
if (p->start_time == 0 || p->start_time > start)
p->start_time = start;
-
- if (cpu > numcpus)
- numcpus = cpu;
}
#define MAX_CPUS 4096
@@ -511,6 +508,9 @@ static int process_sample_event(event_t *event __used,
if (!event_str)
return 0;
+ if (sample->cpu > numcpus)
+ numcpus = sample->cpu;
+
if (strcmp(event_str, "power:cpu_idle") == 0) {
struct power_processor_entry *ppe = (void *)te;
if (ppe->state == (u32)PWR_EVENT_EXIT)