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authorArnaldo Carvalho de Melo <acme@redhat.com>2018-10-18 11:13:01 -0300
committerArnaldo Carvalho de Melo <acme@redhat.com>2018-10-18 11:13:01 -0300
commitce6c9da1113ad681bff27a3e376d2017f7f8a59c (patch)
tree922ee99522f8e47e4fa5c735d4ea378dfdb79085 /tools/perf/util
parentperf/x86/intel: Export mem events only if there's PEBS support (diff)
parentMerge tag 'perf-urgent-for-mingo-4.19-20181017' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux into perf/urgent (diff)
downloadwireguard-linux-ce6c9da1113ad681bff27a3e376d2017f7f8a59c.tar.xz
wireguard-linux-ce6c9da1113ad681bff27a3e376d2017f7f8a59c.zip
Merge remote-tracking branch 'tip/perf/urgent' into perf/core
To pick up fixes. Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/util')
-rw-r--r--tools/perf/util/event.c22
-rw-r--r--tools/perf/util/evsel.c3
-rw-r--r--tools/perf/util/pmu.c13
-rw-r--r--tools/perf/util/srcline.c3
4 files changed, 16 insertions, 25 deletions
diff --git a/tools/perf/util/event.c b/tools/perf/util/event.c
index 0cd42150f712..bc646185f8d9 100644
--- a/tools/perf/util/event.c
+++ b/tools/perf/util/event.c
@@ -1081,6 +1081,7 @@ void *cpu_map_data__alloc(struct cpu_map *map, size_t *size, u16 *type, int *max
}
*size += sizeof(struct cpu_map_data);
+ *size = PERF_ALIGN(*size, sizeof(u64));
return zalloc(*size);
}
@@ -1560,26 +1561,9 @@ struct map *thread__find_map(struct thread *thread, u8 cpumode, u64 addr,
return NULL;
}
-try_again:
+
al->map = map_groups__find(mg, al->addr);
- if (al->map == NULL) {
- /*
- * If this is outside of all known maps, and is a negative
- * address, try to look it up in the kernel dso, as it might be
- * a vsyscall or vdso (which executes in user-mode).
- *
- * XXX This is nasty, we should have a symbol list in the
- * "[vdso]" dso, but for now lets use the old trick of looking
- * in the whole kernel symbol list.
- */
- if (cpumode == PERF_RECORD_MISC_USER && machine &&
- mg != &machine->kmaps &&
- machine__kernel_ip(machine, al->addr)) {
- mg = &machine->kmaps;
- load_map = true;
- goto try_again;
- }
- } else {
+ if (al->map != NULL) {
/*
* Kernel maps might be changed when loading symbols so loading
* must be done prior to using kernel maps.
diff --git a/tools/perf/util/evsel.c b/tools/perf/util/evsel.c
index cb7f01059940..29d7b97f66fb 100644
--- a/tools/perf/util/evsel.c
+++ b/tools/perf/util/evsel.c
@@ -1089,6 +1089,9 @@ void perf_evsel__config(struct perf_evsel *evsel, struct record_opts *opts,
attr->exclude_user = 1;
}
+ if (evsel->own_cpus)
+ evsel->attr.read_format |= PERF_FORMAT_ID;
+
/*
* Apply event specific term settings,
* it overloads any global configuration.
diff --git a/tools/perf/util/pmu.c b/tools/perf/util/pmu.c
index afd68524ffa9..7799788f662f 100644
--- a/tools/perf/util/pmu.c
+++ b/tools/perf/util/pmu.c
@@ -930,13 +930,14 @@ static void pmu_format_value(unsigned long *format, __u64 value, __u64 *v,
static __u64 pmu_format_max_value(const unsigned long *format)
{
- __u64 w = 0;
- int fbit;
-
- for_each_set_bit(fbit, format, PERF_PMU_FORMAT_BITS)
- w |= (1ULL << fbit);
+ int w;
- return w;
+ w = bitmap_weight(format, PERF_PMU_FORMAT_BITS);
+ if (!w)
+ return 0;
+ if (w < 64)
+ return (1ULL << w) - 1;
+ return -1;
}
/*
diff --git a/tools/perf/util/srcline.c b/tools/perf/util/srcline.c
index 09d6746e6ec8..e767c4a9d4d2 100644
--- a/tools/perf/util/srcline.c
+++ b/tools/perf/util/srcline.c
@@ -85,6 +85,9 @@ static struct symbol *new_inline_sym(struct dso *dso,
struct symbol *inline_sym;
char *demangled = NULL;
+ if (!funcname)
+ funcname = "??";
+
if (dso) {
demangled = dso__demangle_sym(dso, 0, funcname);
if (demangled)