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-rw-r--r--tools/perf/Makefile2
-rw-r--r--tools/perf/builtin-annotate.c2
-rw-r--r--tools/perf/builtin-diff.c8
-rw-r--r--tools/perf/builtin-report.c44
-rw-r--r--tools/perf/builtin-sched.c17
-rw-r--r--tools/perf/builtin-trace.c2
-rw-r--r--tools/perf/util/event.c19
-rw-r--r--tools/perf/util/event.h2
-rw-r--r--tools/perf/util/hist.c121
-rw-r--r--tools/perf/util/hist.h24
-rw-r--r--tools/perf/util/newt.c46
-rw-r--r--tools/perf/util/pstack.c75
-rw-r--r--tools/perf/util/pstack.h12
-rw-r--r--tools/perf/util/session.c36
-rw-r--r--tools/perf/util/session.h8
-rw-r--r--tools/perf/util/sort.h11
-rw-r--r--tools/perf/util/util.c22
-rw-r--r--tools/perf/util/util.h1
18 files changed, 322 insertions, 130 deletions
diff --git a/tools/perf/Makefile b/tools/perf/Makefile
index 9c4dc30cdc13..a9281cca4114 100644
--- a/tools/perf/Makefile
+++ b/tools/perf/Makefile
@@ -416,6 +416,7 @@ LIB_H += util/thread.h
LIB_H += util/trace-event.h
LIB_H += util/probe-finder.h
LIB_H += util/probe-event.h
+LIB_H += util/pstack.h
LIB_H += util/cpumap.h
LIB_OBJS += $(OUTPUT)util/abspath.o
@@ -451,6 +452,7 @@ LIB_OBJS += $(OUTPUT)util/callchain.o
LIB_OBJS += $(OUTPUT)util/values.o
LIB_OBJS += $(OUTPUT)util/debug.o
LIB_OBJS += $(OUTPUT)util/map.o
+LIB_OBJS += $(OUTPUT)util/pstack.o
LIB_OBJS += $(OUTPUT)util/session.o
LIB_OBJS += $(OUTPUT)util/thread.o
LIB_OBJS += $(OUTPUT)util/trace-event-parse.o
diff --git a/tools/perf/builtin-annotate.c b/tools/perf/builtin-annotate.c
index fd1b786c8f35..77bcc9b130f5 100644
--- a/tools/perf/builtin-annotate.c
+++ b/tools/perf/builtin-annotate.c
@@ -365,7 +365,7 @@ static int __cmd_annotate(void)
goto out_delete;
if (dump_trace) {
- event__print_totals();
+ perf_session__fprintf_nr_events(session, stdout);
goto out_delete;
}
diff --git a/tools/perf/builtin-diff.c b/tools/perf/builtin-diff.c
index 3a95a0260a5b..a6e2fdc7a04e 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;
}
@@ -50,11 +50,11 @@ 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;
}
- session->hists.stats.total += data.period;
+ session->hists.stats.total_period += data.period;
return 0;
}
diff --git a/tools/perf/builtin-report.c b/tools/perf/builtin-report.c
index 04de3387de3f..68265120ee07 100644
--- a/tools/perf/builtin-report.c
+++ b/tools/perf/builtin-report.c
@@ -138,8 +138,14 @@ static int add_event_total(struct perf_session *session,
if (!hists)
return -ENOMEM;
- hists->stats.total += data->period;
- session->hists.stats.total += data->period;
+ hists->stats.total_period += data->period;
+ /*
+ * FIXME: add_event_total should be moved from here to
+ * perf_session__process_event so that the proper hist is passed to
+ * the event_op methods.
+ */
+ hists__inc_nr_events(hists, PERF_RECORD_SAMPLE);
+ session->hists.stats.total_period += data->period;
return 0;
}
@@ -182,14 +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;
}
@@ -263,11 +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;
@@ -293,7 +313,7 @@ static int __cmd_report(void)
goto out_delete;
if (dump_trace) {
- event__print_totals();
+ perf_session__fprintf_nr_events(session, stdout);
goto out_delete;
}
@@ -313,14 +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);
- else
- fprintf(stdout, "# Samples: %Ld %s\n#\n",
- hists->stats.total,
- __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/builtin-sched.c b/tools/perf/builtin-sched.c
index aef6ed0e119c..be7bc9264710 100644
--- a/tools/perf/builtin-sched.c
+++ b/tools/perf/builtin-sched.c
@@ -1641,19 +1641,10 @@ static int process_sample_event(event_t *event, struct perf_session *session)
return 0;
}
-static int process_lost_event(event_t *event __used,
- struct perf_session *session __used)
-{
- nr_lost_chunks++;
- nr_lost_events += event->lost.lost;
-
- return 0;
-}
-
static struct perf_event_ops event_ops = {
.sample = process_sample_event,
.comm = event__process_comm,
- .lost = process_lost_event,
+ .lost = event__process_lost,
.ordered_samples = true,
};
@@ -1664,8 +1655,12 @@ static int read_events(void)
if (session == NULL)
return -ENOMEM;
- if (perf_session__has_traces(session, "record -R"))
+ if (perf_session__has_traces(session, "record -R")) {
err = perf_session__process_events(session, &event_ops);
+ nr_events = session->hists.stats.nr_events[0];
+ nr_lost_events = session->hists.stats.total_lost;
+ nr_lost_chunks = session->hists.stats.nr_events[PERF_RECORD_LOST];
+ }
perf_session__delete(session);
return err;
diff --git a/tools/perf/builtin-trace.c b/tools/perf/builtin-trace.c
index 95fcb0517a9d..dddf3f01b5ab 100644
--- a/tools/perf/builtin-trace.c
+++ b/tools/perf/builtin-trace.c
@@ -109,7 +109,7 @@ static int process_sample_event(event_t *event, struct perf_session *session)
data.time, thread->comm);
}
- session->hists.stats.total += data.period;
+ session->hists.stats.total_period += data.period;
return 0;
}
diff --git a/tools/perf/util/event.c b/tools/perf/util/event.c
index cce006ec8f05..50771b5813ee 100644
--- a/tools/perf/util/event.c
+++ b/tools/perf/util/event.c
@@ -7,6 +7,23 @@
#include "strlist.h"
#include "thread.h"
+const char *event__name[] = {
+ [0] = "TOTAL",
+ [PERF_RECORD_MMAP] = "MMAP",
+ [PERF_RECORD_LOST] = "LOST",
+ [PERF_RECORD_COMM] = "COMM",
+ [PERF_RECORD_EXIT] = "EXIT",
+ [PERF_RECORD_THROTTLE] = "THROTTLE",
+ [PERF_RECORD_UNTHROTTLE] = "UNTHROTTLE",
+ [PERF_RECORD_FORK] = "FORK",
+ [PERF_RECORD_READ] = "READ",
+ [PERF_RECORD_SAMPLE] = "SAMPLE",
+ [PERF_RECORD_HEADER_ATTR] = "ATTR",
+ [PERF_RECORD_HEADER_EVENT_TYPE] = "EVENT_TYPE",
+ [PERF_RECORD_HEADER_TRACING_DATA] = "TRACING_DATA",
+ [PERF_RECORD_HEADER_BUILD_ID] = "BUILD_ID",
+};
+
static pid_t event__synthesize_comm(pid_t pid, int full,
event__handler_t process,
struct perf_session *session)
@@ -368,7 +385,7 @@ int event__process_comm(event_t *self, struct perf_session *session)
int event__process_lost(event_t *self, struct perf_session *session)
{
dump_printf(": id:%Ld: lost:%Ld\n", self->lost.id, self->lost.lost);
- session->hists.stats.lost += self->lost.lost;
+ session->hists.stats.total_lost += self->lost.lost;
return 0;
}
diff --git a/tools/perf/util/event.h b/tools/perf/util/event.h
index 48c2cc9dae4f..8577085db067 100644
--- a/tools/perf/util/event.h
+++ b/tools/perf/util/event.h
@@ -160,4 +160,6 @@ int event__preprocess_sample(const event_t *self, struct perf_session *session,
struct addr_location *al, symbol_filter_t filter);
int event__parse_sample(event_t *event, u64 type, struct sample_data *data);
+extern const char *event__name[];
+
#endif /* __PERF_RECORD_H */
diff --git a/tools/perf/util/hist.c b/tools/perf/util/hist.c
index 5dc4f8429eda..f75c5f62401c 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;
@@ -239,7 +241,7 @@ void hists__output_resort(struct hists *self)
struct hist_entry *n;
u64 min_callchain_hits;
- min_callchain_hits = self->stats.total * (callchain_param.min_percent / 100);
+ min_callchain_hits = self->stats.total_period * (callchain_param.min_percent / 100);
tmp = RB_ROOT;
next = rb_first(&self->entries);
@@ -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;
- total = pair_hists->stats.total;
- 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 = self->pair ? self->pair->period : 0;
+ total = pair_hists->stats.total_period;
+ 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;
@@ -769,10 +771,10 @@ print_entries:
++position;
}
ret += hist_entry__fprintf(h, pair, show_displacement,
- displacement, fp, self->stats.total);
+ displacement, fp, self->stats.total_period);
if (symbol_conf.use_callchain)
- ret += hist_entry__fprintf_callchain(h, fp, self->stats.total);
+ ret += hist_entry__fprintf_callchain(h, fp, self->stats.total_period);
if (h->ms.map == NULL && verbose > 1) {
__map_groups__fprintf_maps(&h->thread->mg,
@@ -795,7 +797,8 @@ void hists__filter_by_dso(struct hists *self, const struct dso *dso)
{
struct rb_node *nd;
- self->nr_entries = self->stats.total = 0;
+ 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 += 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;
@@ -824,7 +828,8 @@ void hists__filter_by_thread(struct hists *self, const struct thread *thread)
{
struct rb_node *nd;
- self->nr_entries = self->stats.total = 0;
+ 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 += 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;
}
@@ -1028,3 +1034,24 @@ int hist_entry__annotate(struct hist_entry *self, struct list_head *head)
pclose(file);
return 0;
}
+
+void hists__inc_nr_events(struct hists *self, u32 type)
+{
+ ++self->stats.nr_events[0];
+ ++self->stats.nr_events[type];
+}
+
+size_t hists__fprintf_nr_events(struct hists *self, FILE *fp)
+{
+ int i;
+ size_t ret = 0;
+
+ for (i = 0; i < PERF_RECORD_HEADER_MAX; ++i) {
+ if (!event__name[i])
+ continue;
+ ret += fprintf(fp, "%10s events: %10d\n",
+ event__name[i], self->stats.nr_events[i]);
+ }
+
+ return ret;
+}
diff --git a/tools/perf/util/hist.h b/tools/perf/util/hist.h
index 0b4c8df914bd..6f17dcd8412c 100644
--- a/tools/perf/util/hist.h
+++ b/tools/perf/util/hist.h
@@ -37,9 +37,23 @@ struct sym_priv {
struct sym_ext *ext;
};
+/*
+ * The kernel collects the number of events it couldn't send in a stretch and
+ * when possible sends this number in a PERF_RECORD_LOST event. The number of
+ * such "chunks" of lost events is stored in .nr_events[PERF_EVENT_LOST] while
+ * total_lost tells exactly how many events the kernel in fact lost, i.e. it is
+ * the sum of all struct lost_event.lost fields reported.
+ *
+ * The total_period is needed because by default auto-freq is used, so
+ * multipling nr_events[PERF_EVENT_SAMPLE] by a frequency isn't possible to get
+ * the total number of low level events, it is necessary to to sum all struct
+ * sample_event.period and stash the result in total_period.
+ */
struct events_stats {
- u64 total;
- u64 lost;
+ u64 total_period;
+ u64 total_lost;
+ u32 nr_events[PERF_RECORD_HEADER_MAX];
+ u32 nr_unknown_events;
};
struct hists {
@@ -55,7 +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,
@@ -68,6 +82,10 @@ void hist_entry__free(struct hist_entry *);
void hists__output_resort(struct hists *self);
void hists__collapse_resort(struct hists *self);
+
+void hists__inc_nr_events(struct hists *self, u32 type);
+size_t hists__fprintf_nr_events(struct hists *self, FILE *fp);
+
size_t hists__fprintf(struct hists *self, struct hists *pair,
bool show_displacement, FILE *fp);
diff --git a/tools/perf/util/newt.c b/tools/perf/util/newt.c
index ba6acd04c082..e74df1240ef6 100644
--- a/tools/perf/util/newt.c
+++ b/tools/perf/util/newt.c
@@ -9,6 +9,7 @@
#include "cache.h"
#include "hist.h"
+#include "pstack.h"
#include "session.h"
#include "sort.h"
#include "symbol.h"
@@ -680,16 +681,18 @@ 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);
+ nr_events = convert_unit(nr_events, &unit);
+ snprintf(str, sizeof(str), "Events: %lu%c ",
+ nr_events, unit);
newtDrawRootText(0, 0, str);
newtGetScreenSize(NULL, &rows);
@@ -718,12 +721,12 @@ static int hist_browser__populate(struct hist_browser *self, struct hists *hists
if (h->filtered)
continue;
- len = hist_entry__append_browser(h, self->tree, hists->stats.total);
+ len = hist_entry__append_browser(h, self->tree, hists->stats.total_period);
if (len > max_len)
max_len = len;
if (symbol_conf.use_callchain)
hist_entry__append_callchain_browser(h, self->tree,
- hists->stats.total, idx++);
+ hists->stats.total_period, idx++);
++curr_hist;
if (curr_hist % 5)
ui_progress__update(progress, curr_hist);
@@ -748,6 +751,7 @@ static int hist_browser__populate(struct hist_browser *self, struct hists *hists
newtFormAddHotKey(self->form, 'A');
newtFormAddHotKey(self->form, 'a');
newtFormAddHotKey(self->form, NEWT_KEY_RIGHT);
+ newtFormAddHotKey(self->form, NEWT_KEY_LEFT);
newtFormAddComponents(self->form, self->tree, NULL);
self->selection = newt__symbol_tree_get_current(self->tree);
@@ -799,6 +803,7 @@ static int hist_browser__title(char *bf, size_t size, const char *input_name,
int hists__browse(struct hists *self, const char *helpline, const char *input_name)
{
struct hist_browser *browser = hist_browser__new();
+ struct pstack *fstack = pstack__new(2);
const struct thread *thread_filter = NULL;
const struct dso *dso_filter = NULL;
struct newtExitStruct es;
@@ -808,12 +813,16 @@ int hists__browse(struct hists *self, const char *helpline, const char *input_na
if (browser == NULL)
return -1;
+ fstack = pstack__new(2);
+ if (fstack == NULL)
+ goto out;
+
ui_helpline__push(helpline);
hist_browser__title(msg, sizeof(msg), input_name,
dso_filter, thread_filter);
if (hist_browser__populate(browser, self, msg) < 0)
- goto out;
+ goto out_free_stack;
while (1) {
const struct thread *thread;
@@ -834,6 +843,19 @@ int hists__browse(struct hists *self, const char *helpline, const char *input_na
else
continue;
}
+
+ if (es.u.key == NEWT_KEY_LEFT) {
+ const void *top;
+
+ if (pstack__empty(fstack))
+ continue;
+ top = pstack__pop(fstack);
+ if (top == &dso_filter)
+ goto zoom_out_dso;
+ if (top == &thread_filter)
+ goto zoom_out_thread;
+ continue;
+ }
}
if (browser->selection->sym != NULL &&
@@ -886,12 +908,15 @@ do_annotate:
hist_entry__annotate_browser(he);
} else if (choice == zoom_dso) {
if (dso_filter) {
+ pstack__remove(fstack, &dso_filter);
+zoom_out_dso:
ui_helpline__pop();
dso_filter = NULL;
} else {
- ui_helpline__fpush("To zoom out press -> + \"Zoom out of %s DSO\"",
+ ui_helpline__fpush("To zoom out press <- or -> + \"Zoom out of %s DSO\"",
dso->kernel ? "the Kernel" : dso->short_name);
dso_filter = dso;
+ pstack__push(fstack, &dso_filter);
}
hists__filter_by_dso(self, dso_filter);
hist_browser__title(msg, sizeof(msg), input_name,
@@ -900,13 +925,16 @@ do_annotate:
goto out;
} else if (choice == zoom_thread) {
if (thread_filter) {
+ pstack__remove(fstack, &thread_filter);
+zoom_out_thread:
ui_helpline__pop();
thread_filter = NULL;
} else {
- ui_helpline__fpush("To zoom out press -> + \"Zoom out of %s(%d) thread\"",
+ ui_helpline__fpush("To zoom out press <- or -> + \"Zoom out of %s(%d) thread\"",
thread->comm_set ? thread->comm : "",
thread->pid);
thread_filter = thread;
+ pstack__push(fstack, &thread_filter);
}
hists__filter_by_thread(self, thread_filter);
hist_browser__title(msg, sizeof(msg), input_name,
@@ -916,6 +944,8 @@ do_annotate:
}
}
err = 0;
+out_free_stack:
+ pstack__delete(fstack);
out:
hist_browser__delete(browser);
return err;
diff --git a/tools/perf/util/pstack.c b/tools/perf/util/pstack.c
new file mode 100644
index 000000000000..13d36faf64eb
--- /dev/null
+++ b/tools/perf/util/pstack.c
@@ -0,0 +1,75 @@
+/*
+ * Simple pointer stack
+ *
+ * (c) 2010 Arnaldo Carvalho de Melo <acme@redhat.com>
+ */
+
+#include "util.h"
+#include "pstack.h"
+#include <linux/kernel.h>
+#include <stdlib.h>
+
+struct pstack {
+ unsigned short top;
+ unsigned short max_nr_entries;
+ void *entries[0];
+};
+
+struct pstack *pstack__new(unsigned short max_nr_entries)
+{
+ struct pstack *self = zalloc((sizeof(*self) +
+ max_nr_entries * sizeof(void *)));
+ if (self != NULL)
+ self->max_nr_entries = max_nr_entries;
+ return self;
+}
+
+void pstack__delete(struct pstack *self)
+{
+ free(self);
+}
+
+bool pstack__empty(const struct pstack *self)
+{
+ return self->top == 0;
+}
+
+void pstack__remove(struct pstack *self, void *key)
+{
+ unsigned short i = self->top, last_index = self->top - 1;
+
+ while (i-- != 0) {
+ if (self->entries[i] == key) {
+ if (i < last_index)
+ memmove(self->entries + i,
+ self->entries + i + 1,
+ (last_index - i) * sizeof(void *));
+ --self->top;
+ return;
+ }
+ }
+ pr_err("%s: %p not on the pstack!\n", __func__, key);
+}
+
+void pstack__push(struct pstack *self, void *key)
+{
+ if (self->top == self->max_nr_entries) {
+ pr_err("%s: top=%d, overflow!\n", __func__, self->top);
+ return;
+ }
+ self->entries[self->top++] = key;
+}
+
+void *pstack__pop(struct pstack *self)
+{
+ void *ret;
+
+ if (self->top == 0) {
+ pr_err("%s: underflow!\n", __func__);
+ return NULL;
+ }
+
+ ret = self->entries[--self->top];
+ self->entries[self->top] = NULL;
+ return ret;
+}
diff --git a/tools/perf/util/pstack.h b/tools/perf/util/pstack.h
new file mode 100644
index 000000000000..5ad07023504b
--- /dev/null
+++ b/tools/perf/util/pstack.h
@@ -0,0 +1,12 @@
+#ifndef _PERF_PSTACK_
+#define _PERF_PSTACK_
+
+struct pstack;
+struct pstack *pstack__new(unsigned short max_nr_entries);
+void pstack__delete(struct pstack *self);
+bool pstack__empty(const struct pstack *self);
+void pstack__remove(struct pstack *self, void *key);
+void pstack__push(struct pstack *self, void *key);
+void *pstack__pop(struct pstack *self);
+
+#endif /* _PERF_PSTACK_ */
diff --git a/tools/perf/util/session.c b/tools/perf/util/session.c
index 72a7f6ae0293..25bfca4f10f0 100644
--- a/tools/perf/util/session.c
+++ b/tools/perf/util/session.c
@@ -94,7 +94,6 @@ struct perf_session *perf_session__new(const char *filename, int mode, bool forc
self->mmap_window = 32;
self->cwd = NULL;
self->cwdlen = 0;
- self->unknown_events = 0;
self->machines = RB_ROOT;
self->repipe = repipe;
INIT_LIST_HEAD(&self->ordered_samples.samples_head);
@@ -241,36 +240,6 @@ static void perf_event_ops__fill_defaults(struct perf_event_ops *handler)
}
}
-static const char *event__name[] = {
- [0] = "TOTAL",
- [PERF_RECORD_MMAP] = "MMAP",
- [PERF_RECORD_LOST] = "LOST",
- [PERF_RECORD_COMM] = "COMM",
- [PERF_RECORD_EXIT] = "EXIT",
- [PERF_RECORD_THROTTLE] = "THROTTLE",
- [PERF_RECORD_UNTHROTTLE] = "UNTHROTTLE",
- [PERF_RECORD_FORK] = "FORK",
- [PERF_RECORD_READ] = "READ",
- [PERF_RECORD_SAMPLE] = "SAMPLE",
- [PERF_RECORD_HEADER_ATTR] = "ATTR",
- [PERF_RECORD_HEADER_EVENT_TYPE] = "EVENT_TYPE",
- [PERF_RECORD_HEADER_TRACING_DATA] = "TRACING_DATA",
- [PERF_RECORD_HEADER_BUILD_ID] = "BUILD_ID",
-};
-
-unsigned long event__total[PERF_RECORD_HEADER_MAX];
-
-void event__print_totals(void)
-{
- int i;
- for (i = 0; i < PERF_RECORD_HEADER_MAX; ++i) {
- if (!event__name[i])
- continue;
- pr_info("%10s events: %10ld\n",
- event__name[i], event__total[i]);
- }
-}
-
void mem_bswap_64(void *src, int byte_size)
{
u64 *m = src;
@@ -580,8 +549,7 @@ static int perf_session__process_event(struct perf_session *self,
dump_printf("%#Lx [%#x]: PERF_RECORD_%s",
offset + head, event->header.size,
event__name[event->header.type]);
- ++event__total[0];
- ++event__total[event->header.type];
+ hists__inc_nr_events(&self->hists, event->header.type);
}
if (self->header.needs_swap && event__swap_ops[event->header.type])
@@ -619,7 +587,7 @@ static int perf_session__process_event(struct perf_session *self,
case PERF_RECORD_FINISHED_ROUND:
return ops->finished_round(event, self, ops);
default:
- self->unknown_events++;
+ ++self->hists.stats.nr_unknown_events;
return -1;
}
}
diff --git a/tools/perf/util/session.h b/tools/perf/util/session.h
index ce00fa6cdeda..e7fce486ebe2 100644
--- a/tools/perf/util/session.h
+++ b/tools/perf/util/session.h
@@ -30,8 +30,6 @@ struct perf_session {
struct machine host_machine;
struct rb_root machines;
struct rb_root hists_tree;
- unsigned long event_total[PERF_RECORD_MAX];
- unsigned long unknown_events;
/*
* FIXME: should point to the first entry in hists_tree and
* be a hists instance. Right now its only 'report'
@@ -140,4 +138,10 @@ size_t perf_session__fprintf_dsos_buildid(struct perf_session *self, FILE *fp,
{
return machines__fprintf_dsos_buildid(&self->machines, fp, with_hits);
}
+
+static inline
+size_t perf_session__fprintf_nr_events(struct perf_session *self, FILE *fp)
+{
+ return hists__fprintf_nr_events(&self->hists, fp);
+}
#endif /* __PERF_SESSION_H */
diff --git a/tools/perf/util/sort.h b/tools/perf/util/sort.h
index af301acc461c..eab2e0b3b74e 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 f9b890fde681..214265674ddd 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 fbf45d1b26f7..0795bf304b19 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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