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perf list: Add a --no-desc flag

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Add a --no-desc flag to 'perf list' to not print the event descriptions
that were earlier added for JSON events. This may be useful to get a
less crowded listing.

It's still default to print descriptions as that is the more useful
default for most users.

Signed-off-by: Andi Kleen <ak@linux.intel.com>
Signed-off-by: Sukadev Bhattiprolu <sukadev@linux.vnet.ibm.com>
Acked-by: Ingo Molnar <mingo@kernel.org>
Acked-by: Jiri Olsa <jolsa@redhat.com>
Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: linuxppc-dev@lists.ozlabs.org
Cc: Madhavan Srinivasan <maddy@linux.vnet.ibm.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/r/1473978296-20712-9-git-send-email-sukadev@linux.vnet.ibm.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Andi Kleen
2016-09-15 15:24:45 -07:00
committed by Arnaldo Carvalho de Melo
parent 61eb2eb434
commit 1c5f01fe86
6 changed files with 22 additions and 12 deletions
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4
tools/perf/util/pmu.c
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@@ -1084,7 +1084,7 @@ static void wordwrap(char *s, int start, int max, int corr)
}
}
void print_pmu_events(const char *event_glob, bool name_only)
void print_pmu_events(const char *event_glob, bool name_only, bool quiet_flag)
{
struct perf_pmu *pmu;
struct perf_pmu_alias *alias;
@@ -1151,7 +1151,7 @@ void print_pmu_events(const char *event_glob, bool name_only)
printf("%s ", aliases[j].name);
continue;
}
if (aliases[j].desc) {
if (aliases[j].desc && !quiet_flag) {
if (numdesc++ == 0)
printf("\n");
printf(" %-50s\n", aliases[j].name);