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-rw-r--r--tools/perf/builtin-diff.c6
-rw-r--r--tools/perf/builtin-report.c32
-rw-r--r--tools/perf/util/hist.c88
-rw-r--r--tools/perf/util/hist.h2
-rw-r--r--tools/perf/util/newt.c8
-rw-r--r--tools/perf/util/sort.h11
-rw-r--r--tools/perf/util/util.c22
-rw-r--r--tools/perf/util/util.h1
8 files changed, 107 insertions, 63 deletions
diff --git a/tools/perf/builtin-diff.c b/tools/perf/builtin-diff.c
index 6dd4bda..a6e2fdc 100644
--- a/tools/perf/builtin-diff.c
+++ b/tools/perf/builtin-diff.c
@@ -23,9 +23,9 @@ static bool force;
static bool show_displacement;
static int hists__add_entry(struct hists *self,
- struct addr_location *al, u64 count)
+ struct addr_location *al, u64 period)
{
- if (__hists__add_entry(self, al, NULL, count) != NULL)
+ if (__hists__add_entry(self, al, NULL, period) != NULL)
return 0;
return -ENOMEM;
}
@@ -50,7 +50,7 @@ static int diff__process_sample_event(event_t *event, struct perf_session *sessi
event__parse_sample(event, session->sample_type, &data);
if (hists__add_entry(&session->hists, &al, data.period)) {
- pr_warning("problem incrementing symbol count, skipping event\n");
+ pr_warning("problem incrementing symbol period, skipping event\n");
return -1;
}
diff --git a/tools/perf/builtin-report.c b/tools/perf/builtin-report.c
index b8f47de..6826512 100644
--- a/tools/perf/builtin-report.c
+++ b/tools/perf/builtin-report.c
@@ -188,14 +188,14 @@ static int process_sample_event(event_t *event, struct perf_session *session)
return 0;
if (perf_session__add_hist_entry(session, &al, &data)) {
- pr_debug("problem incrementing symbol count, skipping event\n");
+ pr_debug("problem incrementing symbol period, skipping event\n");
return -1;
}
attr = perf_header__find_attr(data.id, &session->header);
if (add_event_total(session, &data, attr)) {
- pr_debug("problem adding event count\n");
+ pr_debug("problem adding event period\n");
return -1;
}
@@ -269,11 +269,25 @@ static struct perf_event_ops event_ops = {
extern volatile int session_done;
-static void sig_handler(int sig __attribute__((__unused__)))
+static void sig_handler(int sig __used)
{
session_done = 1;
}
+static size_t hists__fprintf_nr_sample_events(struct hists *self,
+ const char *evname, FILE *fp)
+{
+ size_t ret;
+ char unit;
+ unsigned long nr_events = self->stats.nr_events[PERF_RECORD_SAMPLE];
+
+ nr_events = convert_unit(nr_events, &unit);
+ ret = fprintf(fp, "# Events: %lu%c", nr_events, unit);
+ if (evname != NULL)
+ ret += fprintf(fp, " %s", evname);
+ return ret + fprintf(fp, "\n#\n");
+}
+
static int __cmd_report(void)
{
int ret = -EINVAL;
@@ -319,14 +333,12 @@ static int __cmd_report(void)
if (use_browser)
hists__browse(hists, help, input_name);
else {
- if (rb_first(&session->hists.entries) ==
+ const char *evname = NULL;
+ if (rb_first(&session->hists.entries) !=
rb_last(&session->hists.entries))
- fprintf(stdout, "# Samples: %Ld\n#\n",
- hists->stats.total_period);
- else
- fprintf(stdout, "# Samples: %Ld %s\n#\n",
- hists->stats.total_period,
- __event_name(hists->type, hists->config));
+ evname = __event_name(hists->type, hists->config);
+
+ hists__fprintf_nr_sample_events(hists, evname, stdout);
hists__fprintf(hists, NULL, false, stdout);
fprintf(stdout, "\n\n");
diff --git a/tools/perf/util/hist.c b/tools/perf/util/hist.c
index c592245..f75c5f6 100644
--- a/tools/perf/util/hist.c
+++ b/tools/perf/util/hist.c
@@ -9,21 +9,21 @@ struct callchain_param callchain_param = {
.min_percent = 0.5
};
-static void hist_entry__add_cpumode_count(struct hist_entry *self,
- unsigned int cpumode, u64 count)
+static void hist_entry__add_cpumode_period(struct hist_entry *self,
+ unsigned int cpumode, u64 period)
{
switch (cpumode) {
case PERF_RECORD_MISC_KERNEL:
- self->count_sys += count;
+ self->period_sys += period;
break;
case PERF_RECORD_MISC_USER:
- self->count_us += count;
+ self->period_us += period;
break;
case PERF_RECORD_MISC_GUEST_KERNEL:
- self->count_guest_sys += count;
+ self->period_guest_sys += period;
break;
case PERF_RECORD_MISC_GUEST_USER:
- self->count_guest_us += count;
+ self->period_guest_us += period;
break;
default:
break;
@@ -31,7 +31,7 @@ static void hist_entry__add_cpumode_count(struct hist_entry *self,
}
/*
- * histogram, sorted on item, collects counts
+ * histogram, sorted on item, collects periods
*/
static struct hist_entry *hist_entry__new(struct hist_entry *template)
@@ -41,6 +41,7 @@ static struct hist_entry *hist_entry__new(struct hist_entry *template)
if (self != NULL) {
*self = *template;
+ self->nr_events = 1;
if (symbol_conf.use_callchain)
callchain_init(self->callchain);
}
@@ -57,7 +58,7 @@ static void hists__inc_nr_entries(struct hists *self, struct hist_entry *entry)
struct hist_entry *__hists__add_entry(struct hists *self,
struct addr_location *al,
- struct symbol *sym_parent, u64 count)
+ struct symbol *sym_parent, u64 period)
{
struct rb_node **p = &self->entries.rb_node;
struct rb_node *parent = NULL;
@@ -70,7 +71,7 @@ struct hist_entry *__hists__add_entry(struct hists *self,
},
.ip = al->addr,
.level = al->level,
- .count = count,
+ .period = period,
.parent = sym_parent,
};
int cmp;
@@ -82,7 +83,8 @@ struct hist_entry *__hists__add_entry(struct hists *self,
cmp = hist_entry__cmp(&entry, he);
if (!cmp) {
- he->count += count;
+ he->period += period;
+ ++he->nr_events;
goto out;
}
@@ -99,7 +101,7 @@ struct hist_entry *__hists__add_entry(struct hists *self,
rb_insert_color(&he->rb_node, &self->entries);
hists__inc_nr_entries(self, he);
out:
- hist_entry__add_cpumode_count(he, al->cpumode, count);
+ hist_entry__add_cpumode_period(he, al->cpumode, period);
return he;
}
@@ -160,7 +162,7 @@ static bool collapse__insert_entry(struct rb_root *root, struct hist_entry *he)
cmp = hist_entry__collapse(iter, he);
if (!cmp) {
- iter->count += he->count;
+ iter->period += he->period;
hist_entry__free(he);
return false;
}
@@ -203,7 +205,7 @@ void hists__collapse_resort(struct hists *self)
}
/*
- * reverse the map, sort on count.
+ * reverse the map, sort on period.
*/
static void __hists__insert_output_entry(struct rb_root *entries,
@@ -222,7 +224,7 @@ static void __hists__insert_output_entry(struct rb_root *entries,
parent = *p;
iter = rb_entry(parent, struct hist_entry, rb_node);
- if (he->count > iter->count)
+ if (he->period > iter->period)
p = &(*p)->rb_left;
else
p = &(*p)->rb_right;
@@ -288,7 +290,7 @@ static size_t ipchain__fprintf_graph_line(FILE *fp, int depth, int depth_mask,
}
static size_t ipchain__fprintf_graph(FILE *fp, struct callchain_list *chain,
- int depth, int depth_mask, int count,
+ int depth, int depth_mask, int period,
u64 total_samples, int hits,
int left_margin)
{
@@ -301,7 +303,7 @@ static size_t ipchain__fprintf_graph(FILE *fp, struct callchain_list *chain,
ret += fprintf(fp, "|");
else
ret += fprintf(fp, " ");
- if (!count && i == depth - 1) {
+ if (!period && i == depth - 1) {
double percent;
percent = hits * 100.0 / total_samples;
@@ -516,7 +518,7 @@ int hist_entry__snprintf(struct hist_entry *self, char *s, size_t size,
long displacement, bool color, u64 session_total)
{
struct sort_entry *se;
- u64 count, total, count_sys, count_us, count_guest_sys, count_guest_us;
+ u64 period, total, period_sys, period_us, period_guest_sys, period_guest_us;
const char *sep = symbol_conf.field_sep;
int ret;
@@ -524,57 +526,57 @@ int hist_entry__snprintf(struct hist_entry *self, char *s, size_t size,
return 0;
if (pair_hists) {
- count = self->pair ? self->pair->count : 0;
+ period = self->pair ? self->pair->period : 0;
total = pair_hists->stats.total_period;
- count_sys = self->pair ? self->pair->count_sys : 0;
- count_us = self->pair ? self->pair->count_us : 0;
- count_guest_sys = self->pair ? self->pair->count_guest_sys : 0;
- count_guest_us = self->pair ? self->pair->count_guest_us : 0;
+ period_sys = self->pair ? self->pair->period_sys : 0;
+ period_us = self->pair ? self->pair->period_us : 0;
+ period_guest_sys = self->pair ? self->pair->period_guest_sys : 0;
+ period_guest_us = self->pair ? self->pair->period_guest_us : 0;
} else {
- count = self->count;
+ period = self->period;
total = session_total;
- count_sys = self->count_sys;
- count_us = self->count_us;
- count_guest_sys = self->count_guest_sys;
- count_guest_us = self->count_guest_us;
+ period_sys = self->period_sys;
+ period_us = self->period_us;
+ period_guest_sys = self->period_guest_sys;
+ period_guest_us = self->period_guest_us;
}
if (total) {
if (color)
ret = percent_color_snprintf(s, size,
sep ? "%.2f" : " %6.2f%%",
- (count * 100.0) / total);
+ (period * 100.0) / total);
else
ret = snprintf(s, size, sep ? "%.2f" : " %6.2f%%",
- (count * 100.0) / total);
+ (period * 100.0) / total);
if (symbol_conf.show_cpu_utilization) {
ret += percent_color_snprintf(s + ret, size - ret,
sep ? "%.2f" : " %6.2f%%",
- (count_sys * 100.0) / total);
+ (period_sys * 100.0) / total);
ret += percent_color_snprintf(s + ret, size - ret,
sep ? "%.2f" : " %6.2f%%",
- (count_us * 100.0) / total);
+ (period_us * 100.0) / total);
if (perf_guest) {
ret += percent_color_snprintf(s + ret,
size - ret,
sep ? "%.2f" : " %6.2f%%",
- (count_guest_sys * 100.0) /
+ (period_guest_sys * 100.0) /
total);
ret += percent_color_snprintf(s + ret,
size - ret,
sep ? "%.2f" : " %6.2f%%",
- (count_guest_us * 100.0) /
+ (period_guest_us * 100.0) /
total);
}
}
} else
- ret = snprintf(s, size, sep ? "%lld" : "%12lld ", count);
+ ret = snprintf(s, size, sep ? "%lld" : "%12lld ", period);
if (symbol_conf.show_nr_samples) {
if (sep)
- ret += snprintf(s + ret, size - ret, "%c%lld", *sep, count);
+ ret += snprintf(s + ret, size - ret, "%c%lld", *sep, period);
else
- ret += snprintf(s + ret, size - ret, "%11lld", count);
+ ret += snprintf(s + ret, size - ret, "%11lld", period);
}
if (pair_hists) {
@@ -582,9 +584,9 @@ int hist_entry__snprintf(struct hist_entry *self, char *s, size_t size,
double old_percent = 0, new_percent = 0, diff;
if (total > 0)
- old_percent = (count * 100.0) / total;
+ old_percent = (period * 100.0) / total;
if (session_total > 0)
- new_percent = (self->count * 100.0) / session_total;
+ new_percent = (self->period * 100.0) / session_total;
diff = new_percent - old_percent;
@@ -796,6 +798,7 @@ void hists__filter_by_dso(struct hists *self, const struct dso *dso)
struct rb_node *nd;
self->nr_entries = self->stats.total_period = 0;
+ self->stats.nr_events[PERF_RECORD_SAMPLE] = 0;
self->max_sym_namelen = 0;
for (nd = rb_first(&self->entries); nd; nd = rb_next(nd)) {
@@ -812,7 +815,8 @@ void hists__filter_by_dso(struct hists *self, const struct dso *dso)
h->filtered &= ~(1 << HIST_FILTER__DSO);
if (!h->filtered) {
++self->nr_entries;
- self->stats.total_period += h->count;
+ self->stats.total_period += h->period;
+ self->stats.nr_events[PERF_RECORD_SAMPLE] += h->nr_events;
if (h->ms.sym &&
self->max_sym_namelen < h->ms.sym->namelen)
self->max_sym_namelen = h->ms.sym->namelen;
@@ -825,6 +829,7 @@ void hists__filter_by_thread(struct hists *self, const struct thread *thread)
struct rb_node *nd;
self->nr_entries = self->stats.total_period = 0;
+ self->stats.nr_events[PERF_RECORD_SAMPLE] = 0;
self->max_sym_namelen = 0;
for (nd = rb_first(&self->entries); nd; nd = rb_next(nd)) {
@@ -837,7 +842,8 @@ void hists__filter_by_thread(struct hists *self, const struct thread *thread)
h->filtered &= ~(1 << HIST_FILTER__THREAD);
if (!h->filtered) {
++self->nr_entries;
- self->stats.total_period += h->count;
+ self->stats.total_period += h->period;
+ self->stats.nr_events[PERF_RECORD_SAMPLE] += h->nr_events;
if (h->ms.sym &&
self->max_sym_namelen < h->ms.sym->namelen)
self->max_sym_namelen = h->ms.sym->namelen;
@@ -881,7 +887,7 @@ int hist_entry__inc_addr_samples(struct hist_entry *self, u64 ip)
h->sum++;
h->ip[offset]++;
- pr_debug3("%#Lx %s: count++ [ip: %#Lx, %#Lx] => %Ld\n", self->ms.sym->start,
+ pr_debug3("%#Lx %s: period++ [ip: %#Lx, %#Lx] => %Ld\n", self->ms.sym->start,
self->ms.sym->name, ip, ip - self->ms.sym->start, h->ip[offset]);
return 0;
}
diff --git a/tools/perf/util/hist.h b/tools/perf/util/hist.h
index da6b848..6f17dcd 100644
--- a/tools/perf/util/hist.h
+++ b/tools/perf/util/hist.h
@@ -69,7 +69,7 @@ struct hists {
struct hist_entry *__hists__add_entry(struct hists *self,
struct addr_location *al,
- struct symbol *parent, u64 count);
+ struct symbol *parent, u64 period);
extern int64_t hist_entry__cmp(struct hist_entry *, struct hist_entry *);
extern int64_t hist_entry__collapse(struct hist_entry *, struct hist_entry *);
int hist_entry__fprintf(struct hist_entry *self, struct hists *pair_hists,
diff --git a/tools/perf/util/newt.c b/tools/perf/util/newt.c
index 010bacf..3402453 100644
--- a/tools/perf/util/newt.c
+++ b/tools/perf/util/newt.c
@@ -680,16 +680,18 @@ static int hist_browser__populate(struct hist_browser *self, struct hists *hists
struct ui_progress *progress;
struct rb_node *nd;
u64 curr_hist = 0;
- char seq[] = ".";
+ char seq[] = ".", unit;
char str[256];
+ unsigned long nr_events = hists->stats.nr_events[PERF_RECORD_SAMPLE];
if (self->form) {
newtFormDestroy(self->form);
newtPopWindow();
}
- snprintf(str, sizeof(str), "Samples: %Ld ",
- hists->stats.total_period);
+ nr_events = convert_unit(nr_events, &unit);
+ snprintf(str, sizeof(str), "Events: %lu%c ",
+ nr_events, unit);
newtDrawRootText(0, 0, str);
newtGetScreenSize(NULL, &rows);
diff --git a/tools/perf/util/sort.h b/tools/perf/util/sort.h
index af301ac..eab2e0b3 100644
--- a/tools/perf/util/sort.h
+++ b/tools/perf/util/sort.h
@@ -43,14 +43,15 @@ extern enum sort_type sort__first_dimension;
struct hist_entry {
struct rb_node rb_node;
- u64 count;
- u64 count_sys;
- u64 count_us;
- u64 count_guest_sys;
- u64 count_guest_us;
+ u64 period;
+ u64 period_sys;
+ u64 period_us;
+ u64 period_guest_sys;
+ u64 period_guest_us;
struct map_symbol ms;
struct thread *thread;
u64 ip;
+ u32 nr_events;
char level;
u8 filtered;
struct symbol *parent;
diff --git a/tools/perf/util/util.c b/tools/perf/util/util.c
index f9b890f..2142656 100644
--- a/tools/perf/util/util.c
+++ b/tools/perf/util/util.c
@@ -92,3 +92,25 @@ out_close_from:
out:
return err;
}
+
+unsigned long convert_unit(unsigned long value, char *unit)
+{
+ *unit = ' ';
+
+ if (value > 1000) {
+ value /= 1000;
+ *unit = 'K';
+ }
+
+ if (value > 1000) {
+ value /= 1000;
+ *unit = 'M';
+ }
+
+ if (value > 1000) {
+ value /= 1000;
+ *unit = 'G';
+ }
+
+ return value;
+}
diff --git a/tools/perf/util/util.h b/tools/perf/util/util.h
index fbf45d1..0795bf30 100644
--- a/tools/perf/util/util.h
+++ b/tools/perf/util/util.h
@@ -423,6 +423,7 @@ char **argv_split(const char *str, int *argcp);
void argv_free(char **argv);
bool strglobmatch(const char *str, const char *pat);
bool strlazymatch(const char *str, const char *pat);
+unsigned long convert_unit(unsigned long value, char *unit);
#define _STR(x) #x
#define STR(x) _STR(x)
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