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author | Arnaldo Carvalho de Melo <acme@redhat.com> | 2014-10-23 19:42:19 (GMT) |
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committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2014-10-29 12:32:46 (GMT) |
commit | dd8c17a5fe80148aab8844e8774cf341212a4eb1 (patch) | |
tree | b1695fdf3535710ac32240d044b9df7db167981a /tools/perf | |
parent | cc8b7c2bf553151a579a8009020875faa1d43e29 (diff) | |
download | linux-dd8c17a5fe80148aab8844e8774cf341212a4eb1.tar.xz |
perf callchains: Use thread->mg->machine
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>
Diffstat (limited to 'tools/perf')
-rw-r--r-- | tools/perf/tests/dwarf-unwind.c | 18 | ||||
-rw-r--r-- | tools/perf/util/machine.c | 2 | ||||
-rw-r--r-- | tools/perf/util/unwind-libdw.c | 4 | ||||
-rw-r--r-- | tools/perf/util/unwind-libunwind.c | 4 | ||||
-rw-r--r-- | tools/perf/util/unwind.h | 2 |
5 files changed, 14 insertions, 16 deletions
diff --git a/tools/perf/tests/dwarf-unwind.c b/tools/perf/tests/dwarf-unwind.c index fc25e57..ab28cca 100644 --- a/tools/perf/tests/dwarf-unwind.c +++ b/tools/perf/tests/dwarf-unwind.c @@ -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); diff --git a/tools/perf/util/machine.c b/tools/perf/util/machine.c index fd192e4..51a6303 100644 --- a/tools/perf/util/machine.c +++ b/tools/perf/util/machine.c @@ -1486,7 +1486,7 @@ int thread__resolve_callchain(struct thread *thread, (!sample->user_stack.size)) return 0; - return unwind__get_entries(unwind_entry, &callchain_cursor, thread->mg->machine, + return unwind__get_entries(unwind_entry, &callchain_cursor, thread, sample, max_stack); } diff --git a/tools/perf/util/unwind-libdw.c b/tools/perf/util/unwind-libdw.c index f24b350..2dcfe9a 100644 --- a/tools/perf/util/unwind-libdw.c +++ b/tools/perf/util/unwind-libdw.c @@ -164,14 +164,14 @@ frame_callback(Dwfl_Frame *state, void *arg) } int unwind__get_entries(unwind_entry_cb_t cb, void *arg, - struct machine *machine, struct thread *thread, + struct thread *thread, struct perf_sample *data, int max_stack) { struct unwind_info ui = { .sample = data, .thread = thread, - .machine = machine, + .machine = thread->mg->machine, .cb = cb, .arg = arg, .max_stack = max_stack, diff --git a/tools/perf/util/unwind-libunwind.c b/tools/perf/util/unwind-libunwind.c index 29acc8c..371219a 100644 --- a/tools/perf/util/unwind-libunwind.c +++ b/tools/perf/util/unwind-libunwind.c @@ -592,14 +592,14 @@ static int get_entries(struct unwind_info *ui, unwind_entry_cb_t cb, } int unwind__get_entries(unwind_entry_cb_t cb, void *arg, - struct machine *machine, struct thread *thread, + struct thread *thread, struct perf_sample *data, int max_stack) { u64 ip; struct unwind_info ui = { .sample = data, .thread = thread, - .machine = machine, + .machine = thread->mg->machine, }; int ret; diff --git a/tools/perf/util/unwind.h b/tools/perf/util/unwind.h index f50b737..12790cf 100644 --- a/tools/perf/util/unwind.h +++ b/tools/perf/util/unwind.h @@ -16,7 +16,6 @@ typedef int (*unwind_entry_cb_t)(struct unwind_entry *entry, void *arg); #ifdef HAVE_DWARF_UNWIND_SUPPORT int unwind__get_entries(unwind_entry_cb_t cb, void *arg, - struct machine *machine, struct thread *thread, struct perf_sample *data, int max_stack); /* libunwind specific */ @@ -38,7 +37,6 @@ static inline void unwind__finish_access(struct thread *thread __maybe_unused) { static inline int unwind__get_entries(unwind_entry_cb_t cb __maybe_unused, void *arg __maybe_unused, - struct machine *machine __maybe_unused, struct thread *thread __maybe_unused, struct perf_sample *data __maybe_unused, int max_stack __maybe_unused) |