summaryrefslogtreecommitdiffstats
path: root/kernel/events/callchain.c
diff options
context:
space:
mode:
authorJiri Olsa <jolsa@kernel.org>2018-01-07 17:03:49 +0100
committerArnaldo Carvalho de Melo <acme@redhat.com>2018-01-08 12:33:01 -0300
commit8cf7e0e22414f5acf85ecb7cd0d4482e6c9696ae (patch)
tree1fd72714d9a85843238105fafc6b0439f4f327f1 /kernel/events/callchain.c
parent81df978c49379481716aef591de77313c286d747 (diff)
downloadlinux-8cf7e0e22414f5acf85ecb7cd0d4482e6c9696ae.tar.gz
linux-8cf7e0e22414f5acf85ecb7cd0d4482e6c9696ae.tar.bz2
linux-8cf7e0e22414f5acf85ecb7cd0d4482e6c9696ae.zip
perf: Make perf_callchain function static
And move it to core.c, because there's no caller of this function other than the one in core.c Signed-off-by: Jiri Olsa <jolsa@kernel.org> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Andi Kleen <ak@linux.intel.com> Cc: David Ahern <dsahern@gmail.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Link: http://lkml.kernel.org/r/20180107160356.28203-6-jolsa@kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'kernel/events/callchain.c')
-rw-r--r--kernel/events/callchain.c15
1 files changed, 0 insertions, 15 deletions
diff --git a/kernel/events/callchain.c b/kernel/events/callchain.c
index 1b2be63c8528..772a43fea825 100644
--- a/kernel/events/callchain.c
+++ b/kernel/events/callchain.c
@@ -179,21 +179,6 @@ put_callchain_entry(int rctx)
}
struct perf_callchain_entry *
-perf_callchain(struct perf_event *event, struct pt_regs *regs)
-{
- bool kernel = !event->attr.exclude_callchain_kernel;
- bool user = !event->attr.exclude_callchain_user;
- /* Disallow cross-task user callchains. */
- bool crosstask = event->ctx->task && event->ctx->task != current;
- const u32 max_stack = event->attr.sample_max_stack;
-
- if (!kernel && !user)
- return NULL;
-
- return get_perf_callchain(regs, 0, kernel, user, max_stack, crosstask, true);
-}
-
-struct perf_callchain_entry *
get_perf_callchain(struct pt_regs *regs, u32 init_nr, bool kernel, bool user,
u32 max_stack, bool crosstask, bool add_mark)
{