#include "sort.h"
#include <math.h>
+static bool hists__filter_entry_by_dso(struct hists *hists,
+ struct hist_entry *he);
+static bool hists__filter_entry_by_thread(struct hists *hists,
+ struct hist_entry *he);
+
enum hist_filter {
HIST_FILTER__DSO,
HIST_FILTER__THREAD,
struct callchain_param callchain_param = {
.mode = CHAIN_GRAPH_REL,
- .min_percent = 0.5
+ .min_percent = 0.5,
+ .order = ORDER_CALLEE
};
-u16 hists__col_len(struct hists *self, enum hist_column col)
+u16 hists__col_len(struct hists *hists, enum hist_column col)
{
- return self->col_len[col];
+ return hists->col_len[col];
}
-void hists__set_col_len(struct hists *self, enum hist_column col, u16 len)
+void hists__set_col_len(struct hists *hists, enum hist_column col, u16 len)
{
- self->col_len[col] = len;
+ hists->col_len[col] = len;
}
-bool hists__new_col_len(struct hists *self, enum hist_column col, u16 len)
+bool hists__new_col_len(struct hists *hists, enum hist_column col, u16 len)
{
- if (len > hists__col_len(self, col)) {
- hists__set_col_len(self, col, len);
+ if (len > hists__col_len(hists, col)) {
+ hists__set_col_len(hists, col, len);
return true;
}
return false;
}
-static void hists__reset_col_len(struct hists *self)
+static void hists__reset_col_len(struct hists *hists)
{
enum hist_column col;
for (col = 0; col < HISTC_NR_COLS; ++col)
- hists__set_col_len(self, col, 0);
+ hists__set_col_len(hists, col, 0);
}
-static void hists__calc_col_len(struct hists *self, struct hist_entry *h)
+static void hists__calc_col_len(struct hists *hists, struct hist_entry *h)
{
u16 len;
if (h->ms.sym)
- hists__new_col_len(self, HISTC_SYMBOL, h->ms.sym->namelen);
+ hists__new_col_len(hists, HISTC_SYMBOL, h->ms.sym->namelen);
else {
const unsigned int unresolved_col_width = BITS_PER_LONG / 4;
- if (hists__col_len(self, HISTC_DSO) < unresolved_col_width &&
+ if (hists__col_len(hists, HISTC_DSO) < unresolved_col_width &&
!symbol_conf.col_width_list_str && !symbol_conf.field_sep &&
!symbol_conf.dso_list)
- hists__set_col_len(self, HISTC_DSO,
+ hists__set_col_len(hists, HISTC_DSO,
unresolved_col_width);
}
len = thread__comm_len(h->thread);
- if (hists__new_col_len(self, HISTC_COMM, len))
- hists__set_col_len(self, HISTC_THREAD, len + 6);
+ if (hists__new_col_len(hists, HISTC_COMM, len))
+ hists__set_col_len(hists, HISTC_THREAD, len + 6);
if (h->ms.map) {
len = dso__name_len(h->ms.map->dso);
- hists__new_col_len(self, HISTC_DSO, len);
+ hists__new_col_len(hists, HISTC_DSO, len);
}
}
}
}
+static void hist_entry__decay(struct hist_entry *he)
+{
+ he->period = (he->period * 7) / 8;
+ he->nr_events = (he->nr_events * 7) / 8;
+}
+
+static bool hists__decay_entry(struct hists *hists, struct hist_entry *he)
+{
+ u64 prev_period = he->period;
+
+ if (prev_period == 0)
+ return true;
+
+ hist_entry__decay(he);
+
+ if (!he->filtered)
+ hists->stats.total_period -= prev_period - he->period;
+
+ return he->period == 0;
+}
+
+static void __hists__decay_entries(struct hists *hists, bool zap_user,
+ bool zap_kernel, bool threaded)
+{
+ struct rb_node *next = rb_first(&hists->entries);
+ struct hist_entry *n;
+
+ while (next) {
+ n = rb_entry(next, struct hist_entry, rb_node);
+ next = rb_next(&n->rb_node);
+ /*
+ * We may be annotating this, for instance, so keep it here in
+ * case some it gets new samples, we'll eventually free it when
+ * the user stops browsing and it agains gets fully decayed.
+ */
+ if (((zap_user && n->level == '.') ||
+ (zap_kernel && n->level != '.') ||
+ hists__decay_entry(hists, n)) &&
+ !n->used) {
+ rb_erase(&n->rb_node, &hists->entries);
+
+ if (sort__need_collapse || threaded)
+ rb_erase(&n->rb_node_in, &hists->entries_collapsed);
+
+ hist_entry__free(n);
+ --hists->nr_entries;
+ }
+ }
+}
+
+void hists__decay_entries(struct hists *hists, bool zap_user, bool zap_kernel)
+{
+ return __hists__decay_entries(hists, zap_user, zap_kernel, false);
+}
+
+void hists__decay_entries_threaded(struct hists *hists,
+ bool zap_user, bool zap_kernel)
+{
+ return __hists__decay_entries(hists, zap_user, zap_kernel, true);
+}
+
/*
* histogram, sorted on item, collects periods
*/
return self;
}
-static void hists__inc_nr_entries(struct hists *self, struct hist_entry *h)
+static void hists__inc_nr_entries(struct hists *hists, struct hist_entry *h)
{
if (!h->filtered) {
- hists__calc_col_len(self, h);
- ++self->nr_entries;
+ hists__calc_col_len(hists, h);
+ ++hists->nr_entries;
+ hists->stats.total_period += h->period;
}
}
return 0;
}
-struct hist_entry *__hists__add_entry(struct hists *self,
+struct hist_entry *__hists__add_entry(struct hists *hists,
struct addr_location *al,
struct symbol *sym_parent, u64 period)
{
- struct rb_node **p = &self->entries.rb_node;
+ struct rb_node **p;
struct rb_node *parent = NULL;
struct hist_entry *he;
struct hist_entry entry = {
};
int cmp;
+ pthread_mutex_lock(&hists->lock);
+
+ p = &hists->entries_in->rb_node;
+
while (*p != NULL) {
parent = *p;
- he = rb_entry(parent, struct hist_entry, rb_node);
+ he = rb_entry(parent, struct hist_entry, rb_node_in);
cmp = hist_entry__cmp(&entry, he);
if (!cmp) {
he->period += period;
++he->nr_events;
+
+ /* If the map of an existing hist_entry has
+ * become out-of-date due to an exec() or
+ * similar, update it. Otherwise we will
+ * mis-adjust symbol addresses when computing
+ * the history counter to increment.
+ */
+ if (he->ms.map != entry.ms.map) {
+ he->ms.map = entry.ms.map;
+ if (he->ms.map)
+ he->ms.map->referenced = true;
+ }
goto out;
}
he = hist_entry__new(&entry);
if (!he)
- return NULL;
- rb_link_node(&he->rb_node, parent, p);
- rb_insert_color(&he->rb_node, &self->entries);
- hists__inc_nr_entries(self, he);
+ goto out_unlock;
+
+ rb_link_node(&he->rb_node_in, parent, p);
+ rb_insert_color(&he->rb_node_in, hists->entries_in);
out:
hist_entry__add_cpumode_period(he, al->cpumode, period);
+out_unlock:
+ pthread_mutex_unlock(&hists->lock);
return he;
}
* collapse the histogram
*/
-static bool hists__collapse_insert_entry(struct hists *self,
+static bool hists__collapse_insert_entry(struct hists *hists,
struct rb_root *root,
struct hist_entry *he)
{
while (*p != NULL) {
parent = *p;
- iter = rb_entry(parent, struct hist_entry, rb_node);
+ iter = rb_entry(parent, struct hist_entry, rb_node_in);
cmp = hist_entry__collapse(iter, he);
if (!cmp) {
iter->period += he->period;
+ iter->nr_events += he->nr_events;
if (symbol_conf.use_callchain) {
- callchain_cursor_reset(&self->callchain_cursor);
- callchain_merge(&self->callchain_cursor, iter->callchain,
+ callchain_cursor_reset(&hists->callchain_cursor);
+ callchain_merge(&hists->callchain_cursor, iter->callchain,
he->callchain);
}
hist_entry__free(he);
p = &(*p)->rb_right;
}
- rb_link_node(&he->rb_node, parent, p);
- rb_insert_color(&he->rb_node, root);
+ rb_link_node(&he->rb_node_in, parent, p);
+ rb_insert_color(&he->rb_node_in, root);
return true;
}
-void hists__collapse_resort(struct hists *self)
+static struct rb_root *hists__get_rotate_entries_in(struct hists *hists)
+{
+ struct rb_root *root;
+
+ pthread_mutex_lock(&hists->lock);
+
+ root = hists->entries_in;
+ if (++hists->entries_in > &hists->entries_in_array[1])
+ hists->entries_in = &hists->entries_in_array[0];
+
+ pthread_mutex_unlock(&hists->lock);
+
+ return root;
+}
+
+static void hists__apply_filters(struct hists *hists, struct hist_entry *he)
+{
+ hists__filter_entry_by_dso(hists, he);
+ hists__filter_entry_by_thread(hists, he);
+}
+
+static void __hists__collapse_resort(struct hists *hists, bool threaded)
{
- struct rb_root tmp;
+ struct rb_root *root;
struct rb_node *next;
struct hist_entry *n;
- if (!sort__need_collapse)
+ if (!sort__need_collapse && !threaded)
return;
- tmp = RB_ROOT;
- next = rb_first(&self->entries);
- self->nr_entries = 0;
- hists__reset_col_len(self);
+ root = hists__get_rotate_entries_in(hists);
+ next = rb_first(root);
while (next) {
- n = rb_entry(next, struct hist_entry, rb_node);
- next = rb_next(&n->rb_node);
-
- rb_erase(&n->rb_node, &self->entries);
- if (hists__collapse_insert_entry(self, &tmp, n))
- hists__inc_nr_entries(self, n);
+ n = rb_entry(next, struct hist_entry, rb_node_in);
+ next = rb_next(&n->rb_node_in);
+
+ rb_erase(&n->rb_node_in, root);
+ if (hists__collapse_insert_entry(hists, &hists->entries_collapsed, n)) {
+ /*
+ * If it wasn't combined with one of the entries already
+ * collapsed, we need to apply the filters that may have
+ * been set by, say, the hist_browser.
+ */
+ hists__apply_filters(hists, n);
+ }
}
+}
+
+void hists__collapse_resort(struct hists *hists)
+{
+ return __hists__collapse_resort(hists, false);
+}
- self->entries = tmp;
+void hists__collapse_resort_threaded(struct hists *hists)
+{
+ return __hists__collapse_resort(hists, true);
}
/*
rb_insert_color(&he->rb_node, entries);
}
-void hists__output_resort(struct hists *self)
+static void __hists__output_resort(struct hists *hists, bool threaded)
{
- struct rb_root tmp;
+ struct rb_root *root;
struct rb_node *next;
struct hist_entry *n;
u64 min_callchain_hits;
- min_callchain_hits = self->stats.total_period * (callchain_param.min_percent / 100);
+ min_callchain_hits = hists->stats.total_period * (callchain_param.min_percent / 100);
+
+ if (sort__need_collapse || threaded)
+ root = &hists->entries_collapsed;
+ else
+ root = hists->entries_in;
- tmp = RB_ROOT;
- next = rb_first(&self->entries);
+ next = rb_first(root);
+ hists->entries = RB_ROOT;
- self->nr_entries = 0;
- hists__reset_col_len(self);
+ hists->nr_entries = 0;
+ hists->stats.total_period = 0;
+ hists__reset_col_len(hists);
while (next) {
- n = rb_entry(next, struct hist_entry, rb_node);
- next = rb_next(&n->rb_node);
+ n = rb_entry(next, struct hist_entry, rb_node_in);
+ next = rb_next(&n->rb_node_in);
- rb_erase(&n->rb_node, &self->entries);
- __hists__insert_output_entry(&tmp, n, min_callchain_hits);
- hists__inc_nr_entries(self, n);
+ __hists__insert_output_entry(&hists->entries, n, min_callchain_hits);
+ hists__inc_nr_entries(hists, n);
}
+}
- self->entries = tmp;
+void hists__output_resort(struct hists *hists)
+{
+ return __hists__output_resort(hists, false);
+}
+
+void hists__output_resort_threaded(struct hists *hists)
+{
+ return __hists__output_resort(hists, true);
}
static size_t callchain__fprintf_left_margin(FILE *fp, int left_margin)
return ret;
}
-int hist_entry__snprintf(struct hist_entry *self, char *s, size_t size,
- struct hists *hists, struct hists *pair_hists,
- bool show_displacement, long displacement,
- bool color, u64 session_total)
+void hists__output_recalc_col_len(struct hists *hists, int max_rows)
+{
+ struct rb_node *next = rb_first(&hists->entries);
+ struct hist_entry *n;
+ int row = 0;
+
+ hists__reset_col_len(hists);
+
+ while (next && row++ < max_rows) {
+ n = rb_entry(next, struct hist_entry, rb_node);
+ if (!n->filtered)
+ hists__calc_col_len(hists, n);
+ next = rb_next(&n->rb_node);
+ }
+}
+
+static int hist_entry__pcnt_snprintf(struct hist_entry *self, char *s,
+ size_t size, struct hists *pair_hists,
+ bool show_displacement, long displacement,
+ bool color, u64 session_total)
{
- struct sort_entry *se;
u64 period, total, period_sys, period_us, period_guest_sys, period_guest_us;
u64 nr_events;
const char *sep = symbol_conf.field_sep;
sep ? "%.2f" : " %6.2f%%",
(period * 100.0) / total);
else
- ret = snprintf(s, size, sep ? "%.2f" : " %6.2f%%",
+ ret = scnprintf(s, size, sep ? "%.2f" : " %6.2f%%",
(period * 100.0) / total);
if (symbol_conf.show_cpu_utilization) {
ret += percent_color_snprintf(s + ret, size - ret,
}
}
} else
- ret = snprintf(s, size, sep ? "%" PRIu64 : "%12" PRIu64 " ", period);
+ ret = scnprintf(s, size, sep ? "%" PRIu64 : "%12" PRIu64 " ", period);
if (symbol_conf.show_nr_samples) {
if (sep)
- ret += snprintf(s + ret, size - ret, "%c%" PRIu64, *sep, nr_events);
+ ret += scnprintf(s + ret, size - ret, "%c%" PRIu64, *sep, nr_events);
+ else
+ ret += scnprintf(s + ret, size - ret, "%11" PRIu64, nr_events);
+ }
+
+ if (symbol_conf.show_total_period) {
+ if (sep)
+ ret += scnprintf(s + ret, size - ret, "%c%" PRIu64, *sep, period);
else
- ret += snprintf(s + ret, size - ret, "%11" PRIu64, nr_events);
+ ret += scnprintf(s + ret, size - ret, " %12" PRIu64, period);
}
if (pair_hists) {
diff = new_percent - old_percent;
if (fabs(diff) >= 0.01)
- snprintf(bf, sizeof(bf), "%+4.2F%%", diff);
+ ret += scnprintf(bf, sizeof(bf), "%+4.2F%%", diff);
else
- snprintf(bf, sizeof(bf), " ");
+ ret += scnprintf(bf, sizeof(bf), " ");
if (sep)
- ret += snprintf(s + ret, size - ret, "%c%s", *sep, bf);
+ ret += scnprintf(s + ret, size - ret, "%c%s", *sep, bf);
else
- ret += snprintf(s + ret, size - ret, "%11.11s", bf);
+ ret += scnprintf(s + ret, size - ret, "%11.11s", bf);
if (show_displacement) {
if (displacement)
- snprintf(bf, sizeof(bf), "%+4ld", displacement);
+ ret += scnprintf(bf, sizeof(bf), "%+4ld", displacement);
else
- snprintf(bf, sizeof(bf), " ");
+ ret += scnprintf(bf, sizeof(bf), " ");
if (sep)
- ret += snprintf(s + ret, size - ret, "%c%s", *sep, bf);
+ ret += scnprintf(s + ret, size - ret, "%c%s", *sep, bf);
else
- ret += snprintf(s + ret, size - ret, "%6.6s", bf);
+ ret += scnprintf(s + ret, size - ret, "%6.6s", bf);
}
}
+ return ret;
+}
+
+int hist_entry__snprintf(struct hist_entry *he, char *s, size_t size,
+ struct hists *hists)
+{
+ const char *sep = symbol_conf.field_sep;
+ struct sort_entry *se;
+ int ret = 0;
+
list_for_each_entry(se, &hist_entry__sort_list, list) {
if (se->elide)
continue;
- ret += snprintf(s + ret, size - ret, "%s", sep ?: " ");
- ret += se->se_snprintf(self, s + ret, size - ret,
+ ret += scnprintf(s + ret, size - ret, "%s", sep ?: " ");
+ ret += se->se_snprintf(he, s + ret, size - ret,
hists__col_len(hists, se->se_width_idx));
}
return ret;
}
-int hist_entry__fprintf(struct hist_entry *self, struct hists *hists,
+int hist_entry__fprintf(struct hist_entry *he, size_t size, struct hists *hists,
struct hists *pair_hists, bool show_displacement,
long displacement, FILE *fp, u64 session_total)
{
char bf[512];
- hist_entry__snprintf(self, bf, sizeof(bf), hists, pair_hists,
- show_displacement, displacement,
- true, session_total);
+ int ret;
+
+ if (size == 0 || size > sizeof(bf))
+ size = sizeof(bf);
+
+ ret = hist_entry__pcnt_snprintf(he, bf, size, pair_hists,
+ show_displacement, displacement,
+ true, session_total);
+ hist_entry__snprintf(he, bf + ret, size - ret, hists);
return fprintf(fp, "%s\n", bf);
}
left_margin);
}
-size_t hists__fprintf(struct hists *self, struct hists *pair,
- bool show_displacement, FILE *fp)
+size_t hists__fprintf(struct hists *hists, struct hists *pair,
+ bool show_displacement, bool show_header, int max_rows,
+ int max_cols, FILE *fp)
{
struct sort_entry *se;
struct rb_node *nd;
unsigned int width;
const char *sep = symbol_conf.field_sep;
const char *col_width = symbol_conf.col_width_list_str;
+ int nr_rows = 0;
init_rem_hits();
+ if (!show_header)
+ goto print_entries;
+
fprintf(fp, "# %s", pair ? "Baseline" : "Overhead");
if (symbol_conf.show_nr_samples) {
fputs(" Samples ", fp);
}
+ if (symbol_conf.show_total_period) {
+ if (sep)
+ ret += fprintf(fp, "%cPeriod", *sep);
+ else
+ ret += fprintf(fp, " Period ");
+ }
+
if (symbol_conf.show_cpu_utilization) {
if (sep) {
ret += fprintf(fp, "%csys", *sep);
width = strlen(se->se_header);
if (symbol_conf.col_width_list_str) {
if (col_width) {
- hists__set_col_len(self, se->se_width_idx,
+ hists__set_col_len(hists, se->se_width_idx,
atoi(col_width));
col_width = strchr(col_width, ',');
if (col_width)
++col_width;
}
}
- if (!hists__new_col_len(self, se->se_width_idx, width))
- width = hists__col_len(self, se->se_width_idx);
+ if (!hists__new_col_len(hists, se->se_width_idx, width))
+ width = hists__col_len(hists, se->se_width_idx);
fprintf(fp, " %*s", width, se->se_header);
}
+
fprintf(fp, "\n");
+ if (max_rows && ++nr_rows >= max_rows)
+ goto out;
if (sep)
goto print_entries;
fprintf(fp, "# ........");
if (symbol_conf.show_nr_samples)
fprintf(fp, " ..........");
+ if (symbol_conf.show_total_period)
+ fprintf(fp, " ............");
if (pair) {
fprintf(fp, " ..........");
if (show_displacement)
continue;
fprintf(fp, " ");
- width = hists__col_len(self, se->se_width_idx);
+ width = hists__col_len(hists, se->se_width_idx);
if (width == 0)
width = strlen(se->se_header);
for (i = 0; i < width; i++)
fprintf(fp, ".");
}
- fprintf(fp, "\n#\n");
+ fprintf(fp, "\n");
+ if (max_rows && ++nr_rows >= max_rows)
+ goto out;
+
+ fprintf(fp, "#\n");
+ if (max_rows && ++nr_rows >= max_rows)
+ goto out;
print_entries:
- for (nd = rb_first(&self->entries); nd; nd = rb_next(nd)) {
+ for (nd = rb_first(&hists->entries); nd; nd = rb_next(nd)) {
struct hist_entry *h = rb_entry(nd, struct hist_entry, rb_node);
+ if (h->filtered)
+ continue;
+
if (show_displacement) {
if (h->pair != NULL)
displacement = ((long)h->pair->position -
displacement = 0;
++position;
}
- ret += hist_entry__fprintf(h, self, pair, show_displacement,
- displacement, fp, self->stats.total_period);
+ ret += hist_entry__fprintf(h, max_cols, hists, pair, show_displacement,
+ displacement, fp, hists->stats.total_period);
if (symbol_conf.use_callchain)
- ret += hist_entry__fprintf_callchain(h, self, fp,
- self->stats.total_period);
+ ret += hist_entry__fprintf_callchain(h, hists, fp,
+ hists->stats.total_period);
+ if (max_rows && ++nr_rows >= max_rows)
+ goto out;
+
if (h->ms.map == NULL && verbose > 1) {
__map_groups__fprintf_maps(&h->thread->mg,
MAP__FUNCTION, verbose, fp);
fprintf(fp, "%.10s end\n", graph_dotted_line);
}
}
-
+out:
free(rem_sq_bracket);
return ret;
/*
* See hists__fprintf to match the column widths
*/
-unsigned int hists__sort_list_width(struct hists *self)
+unsigned int hists__sort_list_width(struct hists *hists)
{
struct sort_entry *se;
int ret = 9; /* total % */
if (symbol_conf.show_nr_samples)
ret += 11;
+ if (symbol_conf.show_total_period)
+ ret += 13;
+
list_for_each_entry(se, &hist_entry__sort_list, list)
if (!se->elide)
- ret += 2 + hists__col_len(self, se->se_width_idx);
+ ret += 2 + hists__col_len(hists, se->se_width_idx);
if (verbose) /* Addr + origin */
ret += 3 + BITS_PER_LONG / 4;
return ret;
}
-static void hists__remove_entry_filter(struct hists *self, struct hist_entry *h,
+static void hists__remove_entry_filter(struct hists *hists, struct hist_entry *h,
enum hist_filter filter)
{
h->filtered &= ~(1 << filter);
if (h->filtered)
return;
- ++self->nr_entries;
+ ++hists->nr_entries;
if (h->ms.unfolded)
- self->nr_entries += h->nr_rows;
+ hists->nr_entries += h->nr_rows;
h->row_offset = 0;
- self->stats.total_period += h->period;
- self->stats.nr_events[PERF_RECORD_SAMPLE] += h->nr_events;
+ hists->stats.total_period += h->period;
+ hists->stats.nr_events[PERF_RECORD_SAMPLE] += h->nr_events;
+
+ hists__calc_col_len(hists, h);
+}
+
- hists__calc_col_len(self, h);
+static bool hists__filter_entry_by_dso(struct hists *hists,
+ struct hist_entry *he)
+{
+ if (hists->dso_filter != NULL &&
+ (he->ms.map == NULL || he->ms.map->dso != hists->dso_filter)) {
+ he->filtered |= (1 << HIST_FILTER__DSO);
+ return true;
+ }
+
+ return false;
}
-void hists__filter_by_dso(struct hists *self, const struct dso *dso)
+void hists__filter_by_dso(struct hists *hists)
{
struct rb_node *nd;
- self->nr_entries = self->stats.total_period = 0;
- self->stats.nr_events[PERF_RECORD_SAMPLE] = 0;
- hists__reset_col_len(self);
+ hists->nr_entries = hists->stats.total_period = 0;
+ hists->stats.nr_events[PERF_RECORD_SAMPLE] = 0;
+ hists__reset_col_len(hists);
- for (nd = rb_first(&self->entries); nd; nd = rb_next(nd)) {
+ for (nd = rb_first(&hists->entries); nd; nd = rb_next(nd)) {
struct hist_entry *h = rb_entry(nd, struct hist_entry, rb_node);
if (symbol_conf.exclude_other && !h->parent)
continue;
- if (dso != NULL && (h->ms.map == NULL || h->ms.map->dso != dso)) {
- h->filtered |= (1 << HIST_FILTER__DSO);
+ if (hists__filter_entry_by_dso(hists, h))
continue;
- }
- hists__remove_entry_filter(self, h, HIST_FILTER__DSO);
+ hists__remove_entry_filter(hists, h, HIST_FILTER__DSO);
+ }
+}
+
+static bool hists__filter_entry_by_thread(struct hists *hists,
+ struct hist_entry *he)
+{
+ if (hists->thread_filter != NULL &&
+ he->thread != hists->thread_filter) {
+ he->filtered |= (1 << HIST_FILTER__THREAD);
+ return true;
}
+
+ return false;
}
-void hists__filter_by_thread(struct hists *self, const struct thread *thread)
+void hists__filter_by_thread(struct hists *hists)
{
struct rb_node *nd;
- self->nr_entries = self->stats.total_period = 0;
- self->stats.nr_events[PERF_RECORD_SAMPLE] = 0;
- hists__reset_col_len(self);
+ hists->nr_entries = hists->stats.total_period = 0;
+ hists->stats.nr_events[PERF_RECORD_SAMPLE] = 0;
+ hists__reset_col_len(hists);
- for (nd = rb_first(&self->entries); nd; nd = rb_next(nd)) {
+ for (nd = rb_first(&hists->entries); nd; nd = rb_next(nd)) {
struct hist_entry *h = rb_entry(nd, struct hist_entry, rb_node);
- if (thread != NULL && h->thread != thread) {
- h->filtered |= (1 << HIST_FILTER__THREAD);
+ if (hists__filter_entry_by_thread(hists, h))
continue;
- }
- hists__remove_entry_filter(self, h, HIST_FILTER__THREAD);
+ hists__remove_entry_filter(hists, h, HIST_FILTER__THREAD);
}
}
return symbol__annotate(he->ms.sym, he->ms.map, privsize);
}
-void hists__inc_nr_events(struct hists *self, u32 type)
+void hists__inc_nr_events(struct hists *hists, u32 type)
{
- ++self->stats.nr_events[0];
- ++self->stats.nr_events[type];
+ ++hists->stats.nr_events[0];
+ ++hists->stats.nr_events[type];
}
-size_t hists__fprintf_nr_events(struct hists *self, FILE *fp)
+size_t hists__fprintf_nr_events(struct hists *hists, FILE *fp)
{
int i;
size_t ret = 0;
for (i = 0; i < PERF_RECORD_HEADER_MAX; ++i) {
- const char *name = perf_event__name(i);
+ const char *name;
+
+ if (hists->stats.nr_events[i] == 0)
+ continue;
+ name = perf_event__name(i);
if (!strcmp(name, "UNKNOWN"))
continue;
ret += fprintf(fp, "%16s events: %10d\n", name,
- self->stats.nr_events[i]);
+ hists->stats.nr_events[i]);
}
return ret;
projects / linux-flexiantxendom0.git / blobdiff