diff options
| author | Arnaldo Carvalho de Melo <acme@redhat.com> | 2012-12-13 20:13:07 +0400 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2013-01-24 23:40:08 +0400 |
| commit | 594ac61ad3be9c80c738a9fe3bb95c05d8d1bae1 (patch) | |
| tree | 3fb2c1395bafd1799e34443d58adef6c4b65c7fe /tools/perf/builtin-top.c | |
| parent | ce90e3856ba55af4d3d9c9c1168cc624607f6c7c (diff) | |
| download | linux-594ac61ad3be9c80c738a9fe3bb95c05d8d1bae1.tar.xz | |
perf evsel: Do missing feature fallbacks in just one place
Instead of doing it in stat, top, record or any other tool that opens
event descriptors.
Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Namhyung Kim <namhyung@gmail.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/n/tip-vr8hzph83d5t2mdlkf565h84@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/builtin-top.c')
| -rw-r--r-- | tools/perf/builtin-top.c | 20 |
1 files changed, 0 insertions, 20 deletions
diff --git a/tools/perf/builtin-top.c b/tools/perf/builtin-top.c index b7d2ea62dbc6..74fca619fc4e 100644 --- a/tools/perf/builtin-top.c +++ b/tools/perf/builtin-top.c @@ -900,12 +900,6 @@ static void perf_top__start_counters(struct perf_top *top) list_for_each_entry(counter, &evlist->entries, node) { struct perf_event_attr *attr = &counter->attr; - -fallback_missing_features: - if (top->exclude_guest_missing) - attr->exclude_guest = attr->exclude_host = 0; -retry_sample_id: - attr->sample_id_all = top->sample_id_all_missing ? 0 : 1; try_again: if (perf_evsel__open(counter, top->evlist->cpus, top->evlist->threads) < 0) { @@ -914,20 +908,6 @@ try_again: if (err == EPERM || err == EACCES) { ui__error_paranoid(); goto out_err; - } else if (err == EINVAL) { - if (!top->exclude_guest_missing && - (attr->exclude_guest || attr->exclude_host)) { - pr_debug("Old kernel, cannot exclude " - "guest or host samples.\n"); - top->exclude_guest_missing = true; - goto fallback_missing_features; - } else if (!top->sample_id_all_missing) { - /* - * Old kernel, no attr->sample_id_type_all field - */ - top->sample_id_all_missing = true; - goto retry_sample_id; - } } /* * If it's cycles then fall back to hrtimer |