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perf callchains: Use thread->mg->machine

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The unwind__get_entries() already receives the thread parameter, from where it can
obtain the matching machine structure, shorten the signature.

Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Borislav Petkov <bp@suse.de>
Cc: David Ahern <dsahern@gmail.com>
Cc: Don Zickus <dzickus@redhat.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Jean Pihet <jean.pihet@linaro.org>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Namhyung Kim <namhyung@kernel.org>
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-isjc6bm8mv4612mhi6af64go@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Arnaldo Carvalho de Melo
2014-10-23 16:42:19 -03:00
parent cc8b7c2bf5
commit dd8c17a5fe
5 changed files with 14 additions and 16 deletions
Download Patch File Download Diff File Expand all files Collapse all files

18
tools/perf/tests/dwarf-unwind.c
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@@ -59,7 +59,7 @@ static int unwind_entry(struct unwind_entry *entry, void *arg)
}
__attribute__ ((noinline))
static int unwind_thread(struct thread *thread, struct machine *machine)
static int unwind_thread(struct thread *thread)
{
struct perf_sample sample;
unsigned long cnt = 0;
@@ -72,7 +72,7 @@ static int unwind_thread(struct thread *thread, struct machine *machine)
goto out;
}
err = unwind__get_entries(unwind_entry, &cnt, machine, thread,
err = unwind__get_entries(unwind_entry, &cnt, thread,
&sample, MAX_STACK);
if (err)
pr_debug("unwind failed\n");
@@ -89,21 +89,21 @@ static int unwind_thread(struct thread *thread, struct machine *machine)
}
__attribute__ ((noinline))
static int krava_3(struct thread *thread, struct machine *machine)
static int krava_3(struct thread *thread)
{
return unwind_thread(thread, machine);
return unwind_thread(thread);
}
__attribute__ ((noinline))
static int krava_2(struct thread *thread, struct machine *machine)
static int krava_2(struct thread *thread)
{
return krava_3(thread, machine);
return krava_3(thread);
}
__attribute__ ((noinline))
static int krava_1(struct thread *thread, struct machine *machine)
static int krava_1(struct thread *thread)
{
return krava_2(thread, machine);
return krava_2(thread);
}
int test__dwarf_unwind(void)
@@ -137,7 +137,7 @@ int test__dwarf_unwind(void)
goto out;
}
err = krava_1(thread, machine);
err = krava_1(thread);
out:
machine__delete_threads(machine);