archives/linux
1
0
Fork 0
mirror of https://github.com/torvalds/linux.git synced 2026-03-08 01:04:41 +01:00
Code Issues Projects Releases Packages Wiki Activity Actions

perf top: Use evlist__new_default when no events specified

Browse source 
Rather than distributing the code doing similar things to
evlist__new_default, use the one implementation so that paranoia and
wildcard scanning can be optimized.

Signed-off-by: Ian Rogers <irogers@google.com>
Tested-by: James Clark <james.clark@linaro.org>
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
This commit is contained in:
Ian Rogers 2025-10-05 11:24:21 -07:00 • committed by Namhyung Kim
parent 3d3056a105
commit 468071acfc
1 changed files with 5 additions and 3 deletions
Download patch file Download diff file Expand all files Collapse all files

8
tools/perf/builtin-top.c
View file

@ -1695,11 +1695,13 @@ int cmd_top(int argc, const char **argv)
goto out_delete_evlist;
if (!top.evlist->core.nr_entries) {
bool can_profile_kernel = perf_event_paranoid_check(1);
int err = parse_event(top.evlist, can_profile_kernel ? "cycles:P" : "cycles:Pu");
struct evlist *def_evlist = evlist__new_default();
if (err)
if (!def_evlist)
goto out_delete_evlist;
evlist__splice_list_tail(top.evlist, &def_evlist->core.entries);
evlist__delete(def_evlist);
}
status = evswitch__init(&top.evswitch, top.evlist, stderr);