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authorIngo Molnar <mingo@kernel.org>2014-04-14 14:45:39 (GMT)
committerIngo Molnar <mingo@kernel.org>2014-04-14 14:45:39 (GMT)
commitfbdd17ec5ce2e5e4027356fcfde769b88d15702f (patch)
treed655577d9bb40b7c9a03d35b513fd9a1bbfe431d /tools/perf
parent740c699a8d316c8bf8593f19e2ca47795e690622 (diff)
parent90f6bb6c98ffef42125d7be6d4612505f561fbce (diff)
downloadlinux-fbdd17ec5ce2e5e4027356fcfde769b88d15702f.tar.xz
Merge branch 'perf-core-for-mingo' into perf/urgent
Conflicts: tools/perf/bench/numa.c Pull perf fixes from Jiri Olsa. Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'tools/perf')
-rw-r--r--tools/perf/Documentation/perf-bench.txt22
-rw-r--r--tools/perf/Documentation/perf-top.txt1
-rw-r--r--tools/perf/bench/numa.c4
-rw-r--r--tools/perf/builtin-stat.c11
-rw-r--r--tools/perf/config/Makefile7
-rw-r--r--tools/perf/util/probe-finder.c15
6 files changed, 48 insertions, 12 deletions
diff --git a/tools/perf/Documentation/perf-bench.txt b/tools/perf/Documentation/perf-bench.txt
index 7065cd6..4464ad7 100644
--- a/tools/perf/Documentation/perf-bench.txt
+++ b/tools/perf/Documentation/perf-bench.txt
@@ -48,6 +48,12 @@ SUBSYSTEM
'mem'::
Memory access performance.
+'numa'::
+ NUMA scheduling and MM benchmarks.
+
+'futex'::
+ Futex stressing benchmarks.
+
'all'::
All benchmark subsystems.
@@ -187,6 +193,22 @@ Show only the result with page faults before memset.
--no-prefault::
Show only the result without page faults before memset.
+SUITES FOR 'numa'
+~~~~~~~~~~~~~~~~~
+*mem*::
+Suite for evaluating NUMA workloads.
+
+SUITES FOR 'futex'
+~~~~~~~~~~~~~~~~~~
+*hash*::
+Suite for evaluating hash tables.
+
+*wake*::
+Suite for evaluating wake calls.
+
+*requeue*::
+Suite for evaluating requeue calls.
+
SEE ALSO
--------
linkperf:perf[1]
diff --git a/tools/perf/Documentation/perf-top.txt b/tools/perf/Documentation/perf-top.txt
index cdd8d49..976b00c 100644
--- a/tools/perf/Documentation/perf-top.txt
+++ b/tools/perf/Documentation/perf-top.txt
@@ -87,7 +87,6 @@ Default is to monitor all CPUS.
--realtime=<priority>::
Collect data with this RT SCHED_FIFO priority.
--s <symbol>::
--sym-annotate=<symbol>::
Annotate this symbol.
diff --git a/tools/perf/bench/numa.c b/tools/perf/bench/numa.c
index 97d86d8..ebfa163 100644
--- a/tools/perf/bench/numa.c
+++ b/tools/perf/bench/numa.c
@@ -1593,6 +1593,10 @@ static void init_params(struct params *p, const char *name, int argc, const char
p->data_rand_walk = true;
p->nr_loops = -1;
p->init_random = true;
+ p->mb_global_str = "1";
+ p->nr_proc = 1;
+ p->nr_threads = 1;
+ p->nr_secs = 5;
p->run_all = argc == 1;
}
diff --git a/tools/perf/builtin-stat.c b/tools/perf/builtin-stat.c
index 8b0e1c9..65a151e 100644
--- a/tools/perf/builtin-stat.c
+++ b/tools/perf/builtin-stat.c
@@ -174,13 +174,20 @@ static inline int perf_evsel__nr_cpus(struct perf_evsel *evsel)
static void perf_evsel__reset_stat_priv(struct perf_evsel *evsel)
{
- memset(evsel->priv, 0, sizeof(struct perf_stat));
+ int i;
+ struct perf_stat *ps = evsel->priv;
+
+ for (i = 0; i < 3; i++)
+ init_stats(&ps->res_stats[i]);
}
static int perf_evsel__alloc_stat_priv(struct perf_evsel *evsel)
{
evsel->priv = zalloc(sizeof(struct perf_stat));
- return evsel->priv == NULL ? -ENOMEM : 0;
+ if (evsel == NULL)
+ return -ENOMEM;
+ perf_evsel__reset_stat_priv(evsel);
+ return 0;
}
static void perf_evsel__free_stat_priv(struct perf_evsel *evsel)
diff --git a/tools/perf/config/Makefile b/tools/perf/config/Makefile
index c234182..ee21fa9 100644
--- a/tools/perf/config/Makefile
+++ b/tools/perf/config/Makefile
@@ -65,10 +65,9 @@ ifndef NO_LIBELF
ifdef LIBDW_DIR
LIBDW_CFLAGS := -I$(LIBDW_DIR)/include
LIBDW_LDFLAGS := -L$(LIBDW_DIR)/lib
-
- FEATURE_CHECK_CFLAGS-libdw-dwarf-unwind := $(LIBDW_CFLAGS)
- FEATURE_CHECK_LDFLAGS-libdw-dwarf-unwind := $(LIBDW_LDFLAGS) -ldw
endif
+ FEATURE_CHECK_CFLAGS-libdw-dwarf-unwind := $(LIBDW_CFLAGS)
+ FEATURE_CHECK_LDFLAGS-libdw-dwarf-unwind := $(LIBDW_LDFLAGS) -ldw
endif
# include ARCH specific config
@@ -278,6 +277,8 @@ else
NO_LIBELF := 1
NO_DWARF := 1
NO_DEMANGLE := 1
+ NO_LIBUNWIND := 1
+ NO_LIBDW_DWARF_UNWIND := 1
else
msg := $(error No gnu/libc-version.h found, please install glibc-dev[el]/glibc-static);
endif
diff --git a/tools/perf/util/probe-finder.c b/tools/perf/util/probe-finder.c
index df02386..5627621 100644
--- a/tools/perf/util/probe-finder.c
+++ b/tools/perf/util/probe-finder.c
@@ -985,7 +985,7 @@ static int debuginfo__find_probes(struct debuginfo *dbg,
#if _ELFUTILS_PREREQ(0, 142)
/* Get the call frame information from this dwarf */
- pf->cfi = dwarf_getcfi(dbg->dbg);
+ pf->cfi = dwarf_getcfi_elf(dwarf_getelf(dbg->dbg));
#endif
off = 0;
@@ -1441,13 +1441,15 @@ static int line_range_walk_cb(const char *fname, int lineno,
void *data)
{
struct line_finder *lf = data;
+ int err;
if ((strtailcmp(fname, lf->fname) != 0) ||
(lf->lno_s > lineno || lf->lno_e < lineno))
return 0;
- if (line_range_add_line(fname, lineno, lf->lr) < 0)
- return -EINVAL;
+ err = line_range_add_line(fname, lineno, lf->lr);
+ if (err < 0 && err != -EEXIST)
+ return err;
return 0;
}
@@ -1473,14 +1475,15 @@ static int find_line_range_by_line(Dwarf_Die *sp_die, struct line_finder *lf)
static int line_range_inline_cb(Dwarf_Die *in_die, void *data)
{
- find_line_range_by_line(in_die, data);
+ int ret = find_line_range_by_line(in_die, data);
/*
* We have to check all instances of inlined function, because
* some execution paths can be optimized out depends on the
- * function argument of instances
+ * function argument of instances. However, if an error occurs,
+ * it should be handled by the caller.
*/
- return 0;
+ return ret < 0 ? ret : 0;
}
/* Search function definition from function name */