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-rw-r--r--tools/perf/Documentation/perf-bench.txt22
-rw-r--r--tools/perf/Documentation/perf-top.txt1
-rw-r--r--tools/perf/Makefile.perf4
-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/tests/code-reading.c1
-rw-r--r--tools/perf/util/probe-finder.c15
8 files changed, 51 insertions, 14 deletions
diff --git a/tools/perf/Documentation/perf-bench.txt b/tools/perf/Documentation/perf-bench.txt
index 7065cd6fbdf..4464ad770d5 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 cdd8d4946db..976b00c6cdb 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/Makefile.perf b/tools/perf/Makefile.perf
index 50d875d970c..e96923310d5 100644
--- a/tools/perf/Makefile.perf
+++ b/tools/perf/Makefile.perf
@@ -192,13 +192,13 @@ endif
export PERL_PATH
$(OUTPUT)util/parse-events-flex.c: util/parse-events.l $(OUTPUT)util/parse-events-bison.c
- $(QUIET_FLEX)$(FLEX) --header-file=$(OUTPUT)util/parse-events-flex.h $(PARSER_DEBUG_FLEX) -t util/parse-events.l > $(OUTPUT)util/parse-events-flex.c
+ $(QUIET_FLEX)$(FLEX) -o $@ --header-file=$(OUTPUT)util/parse-events-flex.h $(PARSER_DEBUG_FLEX) util/parse-events.l
$(OUTPUT)util/parse-events-bison.c: util/parse-events.y
$(QUIET_BISON)$(BISON) -v util/parse-events.y -d $(PARSER_DEBUG_BISON) -o $(OUTPUT)util/parse-events-bison.c -p parse_events_
$(OUTPUT)util/pmu-flex.c: util/pmu.l $(OUTPUT)util/pmu-bison.c
- $(QUIET_FLEX)$(FLEX) --header-file=$(OUTPUT)util/pmu-flex.h -t util/pmu.l > $(OUTPUT)util/pmu-flex.c
+ $(QUIET_FLEX)$(FLEX) -o $@ --header-file=$(OUTPUT)util/pmu-flex.h util/pmu.l
$(OUTPUT)util/pmu-bison.c: util/pmu.y
$(QUIET_BISON)$(BISON) -v util/pmu.y -d -o $(OUTPUT)util/pmu-bison.c -p perf_pmu_
diff --git a/tools/perf/bench/numa.c b/tools/perf/bench/numa.c
index 97d86d82819..ebfa163b80b 100644
--- a/tools/perf/bench/numa.c
+++ b/tools/perf/bench/numa.c
@@ -1593,6 +1593,10 @@ static void init_params(struct params *p, const char *name, int argc, const char
p->data_rand_walk = true;
p->nr_loops = -1;
p->init_random = true;
+ p->mb_global_str = "1";
+ p->nr_proc = 1;
+ p->nr_threads = 1;
+ p->nr_secs = 5;
p->run_all = argc == 1;
}
diff --git a/tools/perf/builtin-stat.c b/tools/perf/builtin-stat.c
index 8b0e1c9234d..65a151e3606 100644
--- a/tools/perf/builtin-stat.c
+++ b/tools/perf/builtin-stat.c
@@ -174,13 +174,20 @@ static inline int perf_evsel__nr_cpus(struct perf_evsel *evsel)
static void perf_evsel__reset_stat_priv(struct perf_evsel *evsel)
{
- memset(evsel->priv, 0, sizeof(struct perf_stat));
+ int i;
+ struct perf_stat *ps = evsel->priv;
+
+ for (i = 0; i < 3; i++)
+ init_stats(&ps->res_stats[i]);
}
static int perf_evsel__alloc_stat_priv(struct perf_evsel *evsel)
{
evsel->priv = zalloc(sizeof(struct perf_stat));
- return evsel->priv == NULL ? -ENOMEM : 0;
+ if (evsel == NULL)
+ return -ENOMEM;
+ perf_evsel__reset_stat_priv(evsel);
+ return 0;
}
static void perf_evsel__free_stat_priv(struct perf_evsel *evsel)
diff --git a/tools/perf/config/Makefile b/tools/perf/config/Makefile
index c23418225c2..ee21fa95ebc 100644
--- a/tools/perf/config/Makefile
+++ b/tools/perf/config/Makefile
@@ -65,10 +65,9 @@ ifndef NO_LIBELF
ifdef LIBDW_DIR
LIBDW_CFLAGS := -I$(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/tests/code-reading.c b/tools/perf/tests/code-reading.c
index 653a8fe2db9..bfb186900ac 100644
--- a/tools/perf/tests/code-reading.c
+++ b/tools/perf/tests/code-reading.c
@@ -504,6 +504,7 @@ static int do_test_code_reading(bool try_kcore)
if (ret < 0) {
if (!excl_kernel) {
excl_kernel = true;
+ perf_evlist__set_maps(evlist, NULL, NULL);
perf_evlist__delete(evlist);
evlist = NULL;
continue;
diff --git a/tools/perf/util/probe-finder.c b/tools/perf/util/probe-finder.c
index df023865469..56276211763 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 */