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perf/core fixes:

Browse source 
. Fix JIT symbol resolution on heap (Namhyung Kim)
 
 . Fix wrong SVG height in 'timechart' (Stanislav Fomichev)
 
 . Free temp cpu_map in perf_session__cpu_bitmap (Stanislav Fomichev)
 
 . Fix NULL pointer reference bug with event unit in 'stat' (Stephane Eranian)
 
 . Fix memory corruption of xyarray when cpumask is used (Stephane Eranian)
 
 . Ensure sscanf does not overrun the "mem" field (Alan Cox)
 
 . Add support for the xtensa architecture (Baruch Siach)
 
 Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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Merge tag 'perf-core-for-mingo' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux into perf/urgent

Pull perf tooling fixes and updates from Arnaldo Carvalho de Melo:

 * Fix JIT symbol resolution on heap (Namhyung Kim)

 * Fix wrong SVG height in 'timechart' (Stanislav Fomichev)

 * Free temp cpu_map in perf_session__cpu_bitmap (Stanislav Fomichev)

 * Fix NULL pointer reference bug with event unit in 'stat' (Stephane Eranian)

 * Fix memory corruption of xyarray when cpumask is used (Stephane Eranian)

 * Ensure sscanf does not overrun the "mem" field (Alan Cox)

 * Add support for the xtensa architecture (Baruch Siach)

Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
This commit is contained in:
Ingo Molnar 2014-01-23 17:43:35 +01:00
parent 15c8102620 578c03c86f
commit bb236de5d9
10 changed files with 47 additions and 15 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

3
tools/perf/builtin-timechart.c
View file

@ -1045,6 +1045,9 @@ static void write_svg_file(struct timechart *tchart, const char *filename)
thresh /= 10;
} while (!process_filter && thresh && count < tchart->proc_num);
if (!tchart->proc_num)
count = 0;
open_svg(filename, tchart->numcpus, count, tchart->first_time, tchart->last_time);
svg_time_grid();

7
tools/perf/perf.h
View file

@ -132,6 +132,13 @@
#define CPUINFO_PROC "CPU"
#endif
#ifdef __xtensa__
#define mb() asm volatile("memw" ::: "memory")
#define wmb() asm volatile("memw" ::: "memory")
#define rmb() asm volatile("" ::: "memory")
#define CPUINFO_PROC "core ID"
#endif
#define barrier() asm volatile ("" ::: "memory")
#ifndef cpu_relax

7
tools/perf/util/evlist.c
View file

@ -1003,9 +1003,12 @@ void perf_evlist__close(struct perf_evlist *evlist)
struct perf_evsel *evsel;
int ncpus = cpu_map__nr(evlist->cpus);
int nthreads = thread_map__nr(evlist->threads);
int n;
evlist__for_each_reverse(evlist, evsel)
perf_evsel__close(evsel, ncpus, nthreads);
evlist__for_each_reverse(evlist, evsel) {
n = evsel->cpus ? evsel->cpus->nr : ncpus;
perf_evsel__close(evsel, n, nthreads);
}
}
int perf_evlist__open(struct perf_evlist *evlist)

1
tools/perf/util/evsel.c
View file

@ -1081,7 +1081,6 @@ void perf_evsel__close(struct perf_evsel *evsel, int ncpus, int nthreads)
perf_evsel__close_fd(evsel, ncpus, nthreads);
perf_evsel__free_fd(evsel);
evsel->fd = NULL;
}
static struct {

2
tools/perf/util/header.c
View file

@ -930,7 +930,7 @@ static int write_topo_node(int fd, int node)
/* skip over invalid lines */
if (!strchr(buf, ':'))
continue;
if (sscanf(buf, "%*s %*d %s %"PRIu64, field, &mem) != 2)
if (sscanf(buf, "%*s %*d %31s %"PRIu64, field, &mem) != 2)
goto done;
if (!strcmp(field, "MemTotal:"))
mem_total = mem;

4
tools/perf/util/map.c
View file

@ -69,7 +69,7 @@ struct map *map__new(struct list_head *dsos__list, u64 start, u64 len,
map->ino = ino;
map->ino_generation = ino_gen;
if (anon) {
if ((anon || no_dso) && type == MAP__FUNCTION) {
snprintf(newfilename, sizeof(newfilename), "/tmp/perf-%d.map", pid);
filename = newfilename;
}
@ -93,7 +93,7 @@ struct map *map__new(struct list_head *dsos__list, u64 start, u64 len,
* functions still return NULL, and we avoid the
* unnecessary map__load warning.
*/
if (no_dso)
if (type != MAP__FUNCTION)
dso__set_loaded(dso, map->type);
}
}

2
tools/perf/util/parse-events.c
View file

@ -635,7 +635,7 @@ int parse_events_add_pmu(struct list_head *list, int *idx,
struct perf_event_attr attr;
struct perf_pmu *pmu;
struct perf_evsel *evsel;
char *unit;
const char *unit;
double scale;
pmu = perf_pmu__find(name);

24
tools/perf/util/pmu.c
View file

@ -105,7 +105,7 @@ static int perf_pmu__parse_scale(struct perf_pmu_alias *alias, char *dir, char *
char scale[128];
int fd, ret = -1;
char path[PATH_MAX];
char *lc;
const char *lc;
snprintf(path, PATH_MAX, "%s/%s.scale", dir, name);
@ -609,7 +609,7 @@ static struct perf_pmu_alias *pmu_find_alias(struct perf_pmu *pmu,
static int check_unit_scale(struct perf_pmu_alias *alias,
char **unit, double *scale)
const char **unit, double *scale)
{
/*
* Only one term in event definition can
@ -634,14 +634,18 @@ static int check_unit_scale(struct perf_pmu_alias *alias,
* defined for the alias
*/
int perf_pmu__check_alias(struct perf_pmu *pmu, struct list_head *head_terms,
char **unit, double *scale)
const char **unit, double *scale)
{
struct parse_events_term *term, *h;
struct perf_pmu_alias *alias;
int ret;
/*
* Mark unit and scale as not set
* (different from default values, see below)
*/
*unit = NULL;
*scale = 0;
*scale = 0.0;
list_for_each_entry_safe(term, h, head_terms, list) {
alias = pmu_find_alias(pmu, term);
@ -658,6 +662,18 @@ int perf_pmu__check_alias(struct perf_pmu *pmu, struct list_head *head_terms,
list_del(&term->list);
free(term);
}
/*
* if no unit or scale foundin aliases, then
* set defaults as for evsel
* unit cannot left to NULL
*/
if (*unit == NULL)
*unit = "";
if (*scale == 0.0)
*scale = 1.0;
return 0;
}

2
tools/perf/util/pmu.h
View file

@ -29,7 +29,7 @@ int perf_pmu__config_terms(struct list_head *formats,
struct perf_event_attr *attr,
struct list_head *head_terms);
int perf_pmu__check_alias(struct perf_pmu *pmu, struct list_head *head_terms,
char **unit, double *scale);
const char **unit, double *scale);
struct list_head *perf_pmu__alias(struct perf_pmu *pmu,
struct list_head *head_terms);
int perf_pmu_wrap(void);

10
tools/perf/util/session.c
View file

@ -1573,7 +1573,7 @@ next:
int perf_session__cpu_bitmap(struct perf_session *session,
const char *cpu_list, unsigned long *cpu_bitmap)
{
int i;
int i, err = -1;
struct cpu_map *map;
for (i = 0; i < PERF_TYPE_MAX; ++i) {
@ -1602,13 +1602,17 @@ int perf_session__cpu_bitmap(struct perf_session *session,
if (cpu >= MAX_NR_CPUS) {
pr_err("Requested CPU %d too large. "
"Consider raising MAX_NR_CPUS\n", cpu);
return -1;
goto out_delete_map;
}
set_bit(cpu, cpu_bitmap);
}
return 0;
err = 0;
out_delete_map:
cpu_map__delete(map);
return err;
}
void perf_session__fprintf_info(struct perf_session *session, FILE *fp,