aboutsummaryrefslogtreecommitdiff
path: root/tools/perf/builtin-top.c
diff options
context:
space:
mode:
authorSteve French <sfrench@us.ibm.com>2009-07-16 04:21:39 +0000
committerSteve French <sfrench@us.ibm.com>2009-07-16 04:21:39 +0000
commitf6c43385435640e056424034caac0d765c45e370 (patch)
tree54c2ba0a7d3abb156bc51f6b9f02e00f0a260f85 /tools/perf/builtin-top.c
parent65bc98b0059360e458aebd208587be44641227c1 (diff)
parent35b5c55fee08e6e4001ba98060a2d0b82f70b5f4 (diff)
Merge branch 'master' of /pub/scm/linux/kernel/git/torvalds/linux-2.6
Diffstat (limited to 'tools/perf/builtin-top.c')
-rw-r--r--tools/perf/builtin-top.c70
1 files changed, 42 insertions, 28 deletions
diff --git a/tools/perf/builtin-top.c b/tools/perf/builtin-top.c
index cf0d21f1ae1..95d5c0ae375 100644
--- a/tools/perf/builtin-top.c
+++ b/tools/perf/builtin-top.c
@@ -23,7 +23,7 @@
#include "util/symbol.h"
#include "util/color.h"
#include "util/util.h"
-#include "util/rbtree.h"
+#include <linux/rbtree.h>
#include "util/parse-options.h"
#include "util/parse-events.h"
@@ -66,6 +66,7 @@ static unsigned int page_size;
static unsigned int mmap_pages = 16;
static int freq = 0;
static int verbose = 0;
+static char *vmlinux = NULL;
static char *sym_filter;
static unsigned long filter_start;
@@ -238,7 +239,6 @@ static void print_sym_table(void)
for (nd = rb_first(&tmp); nd; nd = rb_next(nd)) {
struct sym_entry *syme = rb_entry(nd, struct sym_entry, rb_node);
struct symbol *sym = (struct symbol *)(syme + 1);
- char *color = PERF_COLOR_NORMAL;
double pcnt;
if (++printed > print_entries || syme->snap_count < count_filter)
@@ -247,29 +247,20 @@ static void print_sym_table(void)
pcnt = 100.0 - (100.0 * ((sum_ksamples - syme->snap_count) /
sum_ksamples));
- /*
- * We color high-overhead entries in red, mid-overhead
- * entries in green - and keep the low overhead places
- * normal:
- */
- if (pcnt >= 5.0) {
- color = PERF_COLOR_RED;
- } else {
- if (pcnt >= 0.5)
- color = PERF_COLOR_GREEN;
- }
-
if (nr_counters == 1)
printf("%20.2f - ", syme->weight);
else
printf("%9.1f %10ld - ", syme->weight, syme->snap_count);
- color_fprintf(stdout, color, "%4.1f%%", pcnt);
- printf(" - %016llx : %s\n", sym->start, sym->name);
+ percent_color_fprintf(stdout, "%4.1f%%", pcnt);
+ printf(" - %016llx : %s", sym->start, sym->name);
+ if (sym->module)
+ printf("\t[%s]", sym->module->name);
+ printf("\n");
}
}
-static void *display_thread(void *arg)
+static void *display_thread(void *arg __used)
{
struct pollfd stdin_poll = { .fd = 0, .events = POLLIN };
int delay_msecs = delay_secs * 1000;
@@ -286,11 +277,31 @@ static void *display_thread(void *arg)
return NULL;
}
+/* Tag samples to be skipped. */
+static const char *skip_symbols[] = {
+ "default_idle",
+ "cpu_idle",
+ "enter_idle",
+ "exit_idle",
+ "mwait_idle",
+ "ppc64_runlatch_off",
+ "pseries_dedicated_idle_sleep",
+ NULL
+};
+
static int symbol_filter(struct dso *self, struct symbol *sym)
{
static int filter_match;
struct sym_entry *syme;
const char *name = sym->name;
+ int i;
+
+ /*
+ * ppc64 uses function descriptors and appends a '.' to the
+ * start of every instruction address. Remove it.
+ */
+ if (name[0] == '.')
+ name++;
if (!strcmp(name, "_text") ||
!strcmp(name, "_etext") ||
@@ -302,13 +313,12 @@ static int symbol_filter(struct dso *self, struct symbol *sym)
return 1;
syme = dso__sym_priv(self, sym);
- /* Tag samples to be skipped. */
- if (!strcmp("default_idle", name) ||
- !strcmp("cpu_idle", name) ||
- !strcmp("enter_idle", name) ||
- !strcmp("exit_idle", name) ||
- !strcmp("mwait_idle", name))
- syme->skip = 1;
+ for (i = 0; skip_symbols[i]; i++) {
+ if (!strcmp(skip_symbols[i], name)) {
+ syme->skip = 1;
+ break;
+ }
+ }
if (filter_match == 1) {
filter_end = sym->start;
@@ -340,12 +350,13 @@ static int parse_symbols(void)
{
struct rb_node *node;
struct symbol *sym;
+ int modules = vmlinux ? 1 : 0;
kernel_dso = dso__new("[kernel]", sizeof(struct sym_entry));
if (kernel_dso == NULL)
return -1;
- if (dso__load_kernel(kernel_dso, NULL, symbol_filter, 1) != 0)
+ if (dso__load_kernel(kernel_dso, vmlinux, symbol_filter, verbose, modules) <= 0)
goto out_delete_dso;
node = rb_first(&kernel_dso->syms);
@@ -407,7 +418,7 @@ static void process_event(u64 ip, int counter, int user)
struct mmap_data {
int counter;
void *base;
- unsigned int mask;
+ int mask;
unsigned int prev;
};
@@ -661,6 +672,7 @@ static const struct option options[] = {
"system-wide collection from all CPUs"),
OPT_INTEGER('C', "CPU", &profile_cpu,
"CPU to profile on"),
+ OPT_STRING('k', "vmlinux", &vmlinux, "file", "vmlinux pathname"),
OPT_INTEGER('m', "mmap-pages", &mmap_pages,
"number of mmap data pages"),
OPT_INTEGER('r', "realtime", &realtime_prio,
@@ -675,7 +687,7 @@ static const struct option options[] = {
"put the counters into a counter group"),
OPT_STRING('s', "sym-filter", &sym_filter, "pattern",
"only display symbols matchig this pattern"),
- OPT_BOOLEAN('z', "zero", &group,
+ OPT_BOOLEAN('z', "zero", &zero,
"zero history across updates"),
OPT_INTEGER('F', "freq", &freq,
"profile at this frequency"),
@@ -686,10 +698,12 @@ static const struct option options[] = {
OPT_END()
};
-int cmd_top(int argc, const char **argv, const char *prefix)
+int cmd_top(int argc, const char **argv, const char *prefix __used)
{
int counter;
+ symbol__init();
+
page_size = sysconf(_SC_PAGE_SIZE);
argc = parse_options(argc, argv, options, top_usage, 0);