AcoSail/kernel_optimize_test
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perf tools: Remove show_mask bitmask

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As it was not being exposed via any command line and with --dsos/--comms
we can do this and even more, like asking for just kernel + some module:

[root@doppio linux-2.6-tip]# perf report --dsos \[kernel\],\[drm\]
--vmlinux /home/acme/git/build/tip-recvmmsg/vmlinux --modules | head -15
 # Samples: 619669
 #
 # Overhead          Command  Shared Object  Symbol
 # ........  ...............  .............  ......
 #
      7.12%          swapper  [kernel]       [k] read_hpet
      6.86%             init  [kernel]       [k] read_hpet
      6.22%             init  [kernel]       [k] mwait_idle_with_hints
      5.34%          swapper  [kernel]       [k] mwait_idle_with_hints
      3.01%          firefox  [kernel]       [.] vread_hpet
      2.14%             Xorg  [drm]          [k] drm_clflush_pages
      2.09%           pidgin  [kernel]       [.] vread_hpet
      1.58%     npviewer.bin  [kernel]       [.] vread_hpet
      1.37%          swapper  [kernel]       [k] hpet_next_event
      1.23%             Xorg  [kernel]       [k] read_hpet
[root@doppio linux-2.6-tip]#

Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Frédéric Weisbecker <fweisbec@gmail.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Mike Galbraith <efault@gmx.de>
LKML-Reference: <20091003233048.GA30535@ghostprotocols.net>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Arnaldo Carvalho de Melo 2009-10-03 20:30:48 -03:00 committed by Ingo Molnar
parent 9735abf11b
commit ec218fc4a7
4 changed files with 18 additions and 39 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
tools/perf/Makefile
View File

@ -323,6 +323,7 @@ LIB_H += ../../include/linux/rbtree.h
LIB_H += ../../include/linux/list.h
LIB_H += util/include/linux/list.h
LIB_H += perf.h
LIB_H += util/event.h
LIB_H += util/types.h
LIB_H += util/levenshtein.h
LIB_H += util/parse-options.h

15
tools/perf/builtin-annotate.c
View File

@ -29,7 +29,6 @@ static char const *input_name = "perf.data";
static int force;
static int input;
static int show_mask = SHOW_KERNEL | SHOW_USER | SHOW_HV;
static int full_paths;
@ -97,7 +96,6 @@ static int
process_sample_event(event_t *event, unsigned long offset, unsigned long head)
{
char level;
int show = 0;
struct thread *thread;
u64 ip = event->ip.ip;
struct map *map = NULL;
@ -121,13 +119,11 @@ process_sample_event(event_t *event, unsigned long offset, unsigned long head)
}
if (event->header.misc & PERF_RECORD_MISC_KERNEL) {
show = SHOW_KERNEL;
level = 'k';
sym = kernel_maps__find_symbol(ip, &map);
dump_printf(" ...... dso: %s\n",
map ? map->dso->long_name : "<not found>");
} else if (event->header.misc & PERF_RECORD_MISC_USER) {
show = SHOW_USER;
level = '.';
map = thread__find_map(thread, ip);
if (map != NULL) {
@ -153,17 +149,14 @@ process_sample_event(event_t *event, unsigned long offset, unsigned long head)
dump_printf(" ...... dso: %s\n",
map ? map->dso->long_name : "<not found>");
} else {
show = SHOW_HV;
level = 'H';
dump_printf(" ...... dso: [hypervisor]\n");
}
if (show & show_mask) {
if (hist_entry__add(thread, map, sym, ip, 1, level)) {
fprintf(stderr,
"problem incrementing symbol count, skipping event\n");
return -1;
}
if (hist_entry__add(thread, map, sym, ip, 1, level)) {
fprintf(stderr, "problem incrementing symbol count, "
"skipping event\n");
return -1;
}
total++;

35
tools/perf/builtin-report.c
View File

@ -38,7 +38,6 @@ static struct strlist *dso_list, *comm_list, *sym_list;
static int force;
static int input;
static int show_mask = SHOW_KERNEL | SHOW_USER | SHOW_HV;
static int full_paths;
static int show_nr_samples;
@ -600,7 +599,6 @@ static int
process_sample_event(event_t *event, unsigned long offset, unsigned long head)
{
char level;
int show = 0;
struct symbol *sym = NULL;
struct thread *thread;
u64 ip = event->ip.ip;
@ -657,42 +655,35 @@ process_sample_event(event_t *event, unsigned long offset, unsigned long head)
cpumode = event->header.misc & PERF_RECORD_MISC_CPUMODE_MASK;
if (cpumode == PERF_RECORD_MISC_KERNEL) {
show = SHOW_KERNEL;
level = 'k';
sym = kernel_maps__find_symbol(ip, &map);
dump_printf(" ...... dso: %s\n",
map ? map->dso->long_name : "<not found>");
} else if (cpumode == PERF_RECORD_MISC_USER) {
show = SHOW_USER;
level = '.';
sym = resolve_symbol(thread, &map, &ip);
} else {
show = SHOW_HV;
level = 'H';
dump_printf(" ...... dso: [hypervisor]\n");
}
if (show & show_mask) {
if (dso_list &&
(!map || !map->dso ||
!(strlist__has_entry(dso_list, map->dso->short_name) ||
(map->dso->short_name != map->dso->long_name &&
strlist__has_entry(dso_list, map->dso->long_name)))))
return 0;
if (dso_list &&
(!map || !map->dso ||
!(strlist__has_entry(dso_list, map->dso->short_name) ||
(map->dso->short_name != map->dso->long_name &&
strlist__has_entry(dso_list, map->dso->long_name)))))
return 0;
if (sym_list && sym && !strlist__has_entry(sym_list, sym->name))
return 0;
if (sym_list && sym && !strlist__has_entry(sym_list, sym->name))
return 0;
if (hist_entry__add(thread, map, sym, ip,
chain, level, period)) {
eprintf("problem incrementing symbol count, skipping event\n");
return -1;
}
if (hist_entry__add(thread, map, sym, ip,
chain, level, period)) {
eprintf("problem incrementing symbol count, skipping event\n");
return -1;
}
total += period;
return 0;

6
tools/perf/util/event.h
View File

@ -6,12 +6,6 @@
#include <linux/list.h>
#include <linux/rbtree.h>
enum {
SHOW_KERNEL = 1,
SHOW_USER = 2,
SHOW_HV = 4,
};
/*
* PERF_SAMPLE_IP | PERF_SAMPLE_TID | *
*/