diff options
author | Arnaldo Carvalho de Melo <acme@redhat.com> | 2012-12-19 09:04:24 -0300 |
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committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2013-01-24 16:40:13 -0300 |
commit | 34ba5122bf198c9cdfcbecc9b23eaa414244a3f6 (patch) | |
tree | 7793918dad08b64157ae66d605a3e5bd2b3abb1f /tools | |
parent | 09ecbb07a5c9fa31dc72ee8fb1c3fbd1145448dd (diff) | |
download | linux-34ba5122bf198c9cdfcbecc9b23eaa414244a3f6.tar.bz2 |
perf machine: Simplify accessing the host machine
It is always there, no sense in calling a function named
"perf_session__find_host_machine".
Also no sense in checking if that function return is NULL, so ditch
needless error handling.
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-a6a3zx3afbrxo8p2zqm5mxo8@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools')
-rw-r--r-- | tools/perf/builtin-kmem.c | 7 | ||||
-rw-r--r-- | tools/perf/builtin-record.c | 7 | ||||
-rw-r--r-- | tools/perf/builtin-top.c | 4 | ||||
-rw-r--r-- | tools/perf/util/session.c | 2 | ||||
-rw-r--r-- | tools/perf/util/session.h | 6 |
5 files changed, 5 insertions, 21 deletions
diff --git a/tools/perf/builtin-kmem.c b/tools/perf/builtin-kmem.c index 0b4b796167be..9fddca749ca2 100644 --- a/tools/perf/builtin-kmem.c +++ b/tools/perf/builtin-kmem.c @@ -340,7 +340,7 @@ static void __print_result(struct rb_root *root, struct perf_session *session, int n_lines, int is_caller) { struct rb_node *next; - struct machine *machine; + struct machine *machine = &session->machines.host; printf("%.102s\n", graph_dotted_line); printf(" %-34s |", is_caller ? "Callsite": "Alloc Ptr"); @@ -349,11 +349,6 @@ static void __print_result(struct rb_root *root, struct perf_session *session, next = rb_first(root); - machine = perf_session__find_host_machine(session); - if (!machine) { - pr_err("__print_result: couldn't find kernel information\n"); - return; - } while (next && n_lines--) { struct alloc_stat *data = rb_entry(next, struct alloc_stat, node); diff --git a/tools/perf/builtin-record.c b/tools/perf/builtin-record.c index a0b2427b509d..2ac690cad411 100644 --- a/tools/perf/builtin-record.c +++ b/tools/perf/builtin-record.c @@ -512,12 +512,7 @@ static int __cmd_record(struct perf_record *rec, int argc, const char **argv) rec->post_processing_offset = lseek(output, 0, SEEK_CUR); - machine = perf_session__find_host_machine(session); - if (!machine) { - pr_err("Couldn't find native kernel information.\n"); - err = -1; - goto out_delete_session; - } + machine = &session->machines.host; if (opts->pipe_output) { err = perf_event__synthesize_attrs(tool, session, diff --git a/tools/perf/builtin-top.c b/tools/perf/builtin-top.c index e0ecebdde3fe..bc788126397b 100644 --- a/tools/perf/builtin-top.c +++ b/tools/perf/builtin-top.c @@ -847,13 +847,13 @@ static void perf_top__mmap_read_idx(struct perf_top *top, int idx) ++top->us_samples; if (top->hide_user_symbols) continue; - machine = perf_session__find_host_machine(session); + machine = &session->machines.host; break; case PERF_RECORD_MISC_KERNEL: ++top->kernel_samples; if (top->hide_kernel_symbols) continue; - machine = perf_session__find_host_machine(session); + machine = &session->machines.host; break; case PERF_RECORD_MISC_GUEST_KERNEL: ++top->guest_kernel_samples; diff --git a/tools/perf/util/session.c b/tools/perf/util/session.c index 046b057c8f7f..bd85280bb6e8 100644 --- a/tools/perf/util/session.c +++ b/tools/perf/util/session.c @@ -821,7 +821,7 @@ static struct machine * return perf_session__findnew_machine(session, pid); } - return perf_session__find_host_machine(session); + return &session->machines.host; } static int perf_session_deliver_event(struct perf_session *session, diff --git a/tools/perf/util/session.h b/tools/perf/util/session.h index de4e68716626..b5c0847edfa9 100644 --- a/tools/perf/util/session.h +++ b/tools/perf/util/session.h @@ -75,12 +75,6 @@ void perf_session__set_id_hdr_size(struct perf_session *session); void perf_session__remove_thread(struct perf_session *self, struct thread *th); static inline -struct machine *perf_session__find_host_machine(struct perf_session *self) -{ - return &self->machines.host; -} - -static inline struct machine *perf_session__find_machine(struct perf_session *self, pid_t pid) { return machines__find(&self->machines, pid); |