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perf evsel: Add a backpointer to the evlist a evsel is in

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So that functions that deal primarily with an evsel to access
information that concerns the whole evlist it is in.

Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Andy Lutomirski <luto@kernel.org>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Kan Liang <kan.liang@intel.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/r/1440677263-21954-5-git-send-email-kan.liang@intel.com
Signed-off-by: Kan Liang <kan.liang@intel.com>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Arnaldo Carvalho de Melo
2015-08-27 08:07:40 -04:00
parent a598bb5e35
commit d49e469507
3 changed files with 8 additions and 0 deletions
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4
tools/perf/util/evsel.h
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@@ -60,6 +60,9 @@ struct perf_evsel_config_term {
/** struct perf_evsel - event selector
*
* @evlist - evlist this evsel is in, if it is in one.
* @node - To insert it into evlist->entries or in other list_heads, say in
* the event parsing routines.
* @name - Can be set to retain the original event name passed by the user,
* so that when showing results in tools such as 'perf stat', we
* show the name used, not some alias.
@@ -73,6 +76,7 @@ struct perf_evsel_config_term {
*/
struct perf_evsel {
struct list_head node;
struct perf_evlist *evlist;
struct perf_event_attr attr;
char *filter;
struct xyarray *fd;