+#include "util.h"
#include "hist.h"
#include "session.h"
#include "sort.h"
.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;
}
/*
- * histogram, sorted on item, collects counts
+ * histogram, sorted on item, collects periods
*/
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);
}
return self;
}
+static void hists__inc_nr_entries(struct hists *self, struct hist_entry *entry)
+{
+ if (entry->ms.sym && self->max_sym_namelen < entry->ms.sym->namelen)
+ self->max_sym_namelen = entry->ms.sym->namelen;
+ ++self->nr_entries;
+}
+
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;
},
.ip = al->addr,
.level = al->level,
- .count = count,
+ .period = period,
.parent = sym_parent,
};
int cmp;
cmp = hist_entry__cmp(&entry, he);
if (!cmp) {
- he->count += count;
+ he->period += period;
+ ++he->nr_events;
goto out;
}
return NULL;
rb_link_node(&he->rb_node, parent, p);
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;
}
* collapse the histogram
*/
-static void collapse__insert_entry(struct rb_root *root, struct hist_entry *he)
+static bool collapse__insert_entry(struct rb_root *root, struct hist_entry *he)
{
struct rb_node **p = &root->rb_node;
struct rb_node *parent = NULL;
cmp = hist_entry__collapse(iter, he);
if (!cmp) {
- iter->count += he->count;
+ iter->period += he->period;
hist_entry__free(he);
- return;
+ return false;
}
if (cmp < 0)
rb_link_node(&he->rb_node, parent, p);
rb_insert_color(&he->rb_node, root);
+ return true;
}
void hists__collapse_resort(struct hists *self)
tmp = RB_ROOT;
next = rb_first(&self->entries);
+ self->nr_entries = 0;
+ self->max_sym_namelen = 0;
while (next) {
n = rb_entry(next, struct hist_entry, rb_node);
next = rb_next(&n->rb_node);
rb_erase(&n->rb_node, &self->entries);
- collapse__insert_entry(&tmp, n);
+ if (collapse__insert_entry(&tmp, n))
+ hists__inc_nr_entries(self, n);
}
self->entries = tmp;
}
/*
- * reverse the map, sort on count.
+ * reverse the map, sort on period.
*/
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;
rb_insert_color(&he->rb_node, entries);
}
-u64 hists__output_resort(struct hists *self)
+void hists__output_resort(struct hists *self)
{
struct rb_root tmp;
struct rb_node *next;
struct hist_entry *n;
u64 min_callchain_hits;
- u64 nr_hists = 0;
- 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);
+ self->nr_entries = 0;
+ self->max_sym_namelen = 0;
+
while (next) {
n = rb_entry(next, struct hist_entry, rb_node);
next = rb_next(&n->rb_node);
rb_erase(&n->rb_node, &self->entries);
__hists__insert_output_entry(&tmp, n, min_callchain_hits);
- ++nr_hists;
+ hists__inc_nr_entries(self, n);
}
self->entries = tmp;
- return nr_hists;
}
static size_t callchain__fprintf_left_margin(FILE *fp, int left_margin)
}
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)
{
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;
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;
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) {
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;
long displacement = 0;
unsigned int width;
const char *sep = symbol_conf.field_sep;
- char *col_width = symbol_conf.col_width_list_str;
+ const char *col_width = symbol_conf.col_width_list_str;
init_rem_hits();
++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,
return ret;
}
+
+enum hist_filter {
+ HIST_FILTER__DSO,
+ HIST_FILTER__THREAD,
+};
+
+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)) {
+ 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);
+ continue;
+ }
+
+ h->filtered &= ~(1 << HIST_FILTER__DSO);
+ if (!h->filtered) {
+ ++self->nr_entries;
+ 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;
+ }
+ }
+}
+
+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)) {
+ struct hist_entry *h = rb_entry(nd, struct hist_entry, rb_node);
+
+ if (thread != NULL && h->thread != thread) {
+ h->filtered |= (1 << HIST_FILTER__THREAD);
+ continue;
+ }
+ h->filtered &= ~(1 << HIST_FILTER__THREAD);
+ if (!h->filtered) {
+ ++self->nr_entries;
+ 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;
+ }
+ }
+}
+
+static int symbol__alloc_hist(struct symbol *self)
+{
+ struct sym_priv *priv = symbol__priv(self);
+ const int size = (sizeof(*priv->hist) +
+ (self->end - self->start) * sizeof(u64));
+
+ priv->hist = zalloc(size);
+ return priv->hist == NULL ? -1 : 0;
+}
+
+int hist_entry__inc_addr_samples(struct hist_entry *self, u64 ip)
+{
+ unsigned int sym_size, offset;
+ struct symbol *sym = self->ms.sym;
+ struct sym_priv *priv;
+ struct sym_hist *h;
+
+ if (!sym || !self->ms.map)
+ return 0;
+
+ priv = symbol__priv(sym);
+ if (priv->hist == NULL && symbol__alloc_hist(sym) < 0)
+ return -ENOMEM;
+
+ sym_size = sym->end - sym->start;
+ offset = ip - sym->start;
+
+ pr_debug3("%s: ip=%#Lx\n", __func__, self->ms.map->unmap_ip(self->ms.map, ip));
+
+ if (offset >= sym_size)
+ return 0;
+
+ h = priv->hist;
+ h->sum++;
+ h->ip[offset]++;
+
+ 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;
+}
+
+static struct objdump_line *objdump_line__new(s64 offset, char *line)
+{
+ struct objdump_line *self = malloc(sizeof(*self));
+
+ if (self != NULL) {
+ self->offset = offset;
+ self->line = line;
+ }
+
+ return self;
+}
+
+void objdump_line__free(struct objdump_line *self)
+{
+ free(self->line);
+ free(self);
+}
+
+static void objdump__add_line(struct list_head *head, struct objdump_line *line)
+{
+ list_add_tail(&line->node, head);
+}
+
+struct objdump_line *objdump__get_next_ip_line(struct list_head *head,
+ struct objdump_line *pos)
+{
+ list_for_each_entry_continue(pos, head, node)
+ if (pos->offset >= 0)
+ return pos;
+
+ return NULL;
+}
+
+static int hist_entry__parse_objdump_line(struct hist_entry *self, FILE *file,
+ struct list_head *head)
+{
+ struct symbol *sym = self->ms.sym;
+ struct objdump_line *objdump_line;
+ char *line = NULL, *tmp, *tmp2, *c;
+ size_t line_len;
+ s64 line_ip, offset = -1;
+
+ if (getline(&line, &line_len, file) < 0)
+ return -1;
+
+ if (!line)
+ return -1;
+
+ while (line_len != 0 && isspace(line[line_len - 1]))
+ line[--line_len] = '\0';
+
+ c = strchr(line, '\n');
+ if (c)
+ *c = 0;
+
+ line_ip = -1;
+
+ /*
+ * Strip leading spaces:
+ */
+ tmp = line;
+ while (*tmp) {
+ if (*tmp != ' ')
+ break;
+ tmp++;
+ }
+
+ if (*tmp) {
+ /*
+ * Parse hexa addresses followed by ':'
+ */
+ line_ip = strtoull(tmp, &tmp2, 16);
+ if (*tmp2 != ':')
+ line_ip = -1;
+ }
+
+ if (line_ip != -1) {
+ u64 start = map__rip_2objdump(self->ms.map, sym->start);
+ offset = line_ip - start;
+ }
+
+ objdump_line = objdump_line__new(offset, line);
+ if (objdump_line == NULL) {
+ free(line);
+ return -1;
+ }
+ objdump__add_line(head, objdump_line);
+
+ return 0;
+}
+
+int hist_entry__annotate(struct hist_entry *self, struct list_head *head)
+{
+ struct symbol *sym = self->ms.sym;
+ struct map *map = self->ms.map;
+ struct dso *dso = map->dso;
+ const char *filename = dso->long_name;
+ char command[PATH_MAX * 2];
+ FILE *file;
+ u64 len;
+
+ if (!filename)
+ return -1;
+
+ if (dso->origin == DSO__ORIG_KERNEL) {
+ if (dso->annotate_warned)
+ return 0;
+ dso->annotate_warned = 1;
+ pr_err("Can't annotate %s: No vmlinux file was found in the "
+ "path:\n", sym->name);
+ vmlinux_path__fprintf(stderr);
+ return -1;
+ }
+
+ pr_debug("%s: filename=%s, sym=%s, start=%#Lx, end=%#Lx\n", __func__,
+ filename, sym->name, map->unmap_ip(map, sym->start),
+ map->unmap_ip(map, sym->end));
+
+ len = sym->end - sym->start;
+
+ pr_debug("annotating [%p] %30s : [%p] %30s\n",
+ dso, dso->long_name, sym, sym->name);
+
+ snprintf(command, sizeof(command),
+ "objdump --start-address=0x%016Lx --stop-address=0x%016Lx -dS %s|grep -v %s|expand",
+ map__rip_2objdump(map, sym->start),
+ map__rip_2objdump(map, sym->end),
+ filename, filename);
+
+ pr_debug("Executing: %s\n", command);
+
+ file = popen(command, "r");
+ if (!file)
+ return -1;
+
+ while (!feof(file))
+ if (hist_entry__parse_objdump_line(self, file, head) < 0)
+ break;
+
+ 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;
+}
git.openpandora.org / pandora-kernel.git / blobdiff