summaryrefslogtreecommitdiff
path: root/tools/perf
diff options
context:
space:
mode:
authorTakashi Iwai <tiwai@suse.de>2016-03-07 11:06:46 +0100
committerTakashi Iwai <tiwai@suse.de>2016-03-07 11:06:46 +0100
commitad09ef2cce91e3a98a32e3bb0a5982a6e8920aa1 (patch)
tree6d46455cb546b65b041acc1293043c71ef93da40 /tools/perf
parent790b415c98de62602810b0eedce26f0f9d6ddd78 (diff)
parent02db17ff376893f65f45974b0897e70e6695034e (diff)
Merge tag 'asoc-fix-v4.5-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-linus
ASoC: Fixes for v4.5 This is far too big a set of fixes for this late in the release cycle but the overwhelming bulk is essentially the same simple fix from Takashi for a cut'n'pasted 64 bit cleanliness issue in the userspace interface where drivers were accessing things using the wrong element in a union which worked OK on 32 bit platforms as the correct element happened to be aligned the same way but with 64 bit platforms ABIs are different and the two members of the union are laid out in different places. They aren't all tagged to stable since some of these chips have vanishingly little chance of being used in 64 bit systems. The other changes are: - A fix for Qualcomm devices to work on big endian systems. The original change is actually correct but triggered a bug in regmap which is too invasive to fix for this cycle and can be worked around by just letting regmap pick the default. - A fix for the Samsung I2S driver locking which wasn't using IRQ safe spinlocks when it needed to. - A fix for the new Intel Sky Lake driver forgetting that C pointer arithmetic takes the type of the pointer into consideration. - A revert of a change to the FSL SSI driver that broke some systems. - A fix for the cleanup path of the wm9713 driver. - A fix for some incorrect register definitions in the ADAU17x1 driver that caused misclocking in some configurations. - A fix for the tracepoints for jack detection to avoid using an internal field of the core jack structure which is no longer present in all configurations. - A fix for another of the new Intel drivers which tried to write to a string literal.
Diffstat (limited to 'tools/perf')
-rw-r--r--tools/perf/util/intel-pt.c9
-rw-r--r--tools/perf/util/parse-events.c3
-rw-r--r--tools/perf/util/probe-finder.c62
-rw-r--r--tools/perf/util/probe-finder.h5
-rw-r--r--tools/perf/util/stat.c10
5 files changed, 63 insertions, 26 deletions
diff --git a/tools/perf/util/intel-pt.c b/tools/perf/util/intel-pt.c
index 81a2eb77ba7f..05d815851be1 100644
--- a/tools/perf/util/intel-pt.c
+++ b/tools/perf/util/intel-pt.c
@@ -2068,6 +2068,15 @@ int intel_pt_process_auxtrace_info(union perf_event *event,
err = -ENOMEM;
goto err_free_queues;
}
+
+ /*
+ * Since this thread will not be kept in any rbtree not in a
+ * list, initialize its list node so that at thread__put() the
+ * current thread lifetime assuption is kept and we don't segfault
+ * at list_del_init().
+ */
+ INIT_LIST_HEAD(&pt->unknown_thread->node);
+
err = thread__set_comm(pt->unknown_thread, "unknown", 0);
if (err)
goto err_delete_thread;
diff --git a/tools/perf/util/parse-events.c b/tools/perf/util/parse-events.c
index 4f7b0efdde2f..813d9b272c81 100644
--- a/tools/perf/util/parse-events.c
+++ b/tools/perf/util/parse-events.c
@@ -399,6 +399,9 @@ static void tracepoint_error(struct parse_events_error *e, int err,
{
char help[BUFSIZ];
+ if (!e)
+ return;
+
/*
* We get error directly from syscall errno ( > 0),
* or from encoded pointer's error ( < 0).
diff --git a/tools/perf/util/probe-finder.c b/tools/perf/util/probe-finder.c
index 2be10fb27172..4ce5c5e18f48 100644
--- a/tools/perf/util/probe-finder.c
+++ b/tools/perf/util/probe-finder.c
@@ -686,8 +686,9 @@ static int call_probe_finder(Dwarf_Die *sc_die, struct probe_finder *pf)
pf->fb_ops = NULL;
#if _ELFUTILS_PREREQ(0, 142)
} else if (nops == 1 && pf->fb_ops[0].atom == DW_OP_call_frame_cfa &&
- pf->cfi != NULL) {
- if (dwarf_cfi_addrframe(pf->cfi, pf->addr, &frame) != 0 ||
+ (pf->cfi_eh != NULL || pf->cfi_dbg != NULL)) {
+ if ((dwarf_cfi_addrframe(pf->cfi_eh, pf->addr, &frame) != 0 &&
+ (dwarf_cfi_addrframe(pf->cfi_dbg, pf->addr, &frame) != 0)) ||
dwarf_frame_cfa(frame, &pf->fb_ops, &nops) != 0) {
pr_warning("Failed to get call frame on 0x%jx\n",
(uintmax_t)pf->addr);
@@ -1015,8 +1016,7 @@ static int pubname_search_cb(Dwarf *dbg, Dwarf_Global *gl, void *data)
return DWARF_CB_OK;
}
-/* Find probe points from debuginfo */
-static int debuginfo__find_probes(struct debuginfo *dbg,
+static int debuginfo__find_probe_location(struct debuginfo *dbg,
struct probe_finder *pf)
{
struct perf_probe_point *pp = &pf->pev->point;
@@ -1025,27 +1025,6 @@ static int debuginfo__find_probes(struct debuginfo *dbg,
Dwarf_Die *diep;
int ret = 0;
-#if _ELFUTILS_PREREQ(0, 142)
- Elf *elf;
- GElf_Ehdr ehdr;
- GElf_Shdr shdr;
-
- /* Get the call frame information from this dwarf */
- elf = dwarf_getelf(dbg->dbg);
- if (elf == NULL)
- return -EINVAL;
-
- if (gelf_getehdr(elf, &ehdr) == NULL)
- return -EINVAL;
-
- if (elf_section_by_name(elf, &ehdr, &shdr, ".eh_frame", NULL) &&
- shdr.sh_type == SHT_PROGBITS) {
- pf->cfi = dwarf_getcfi_elf(elf);
- } else {
- pf->cfi = dwarf_getcfi(dbg->dbg);
- }
-#endif
-
off = 0;
pf->lcache = intlist__new(NULL);
if (!pf->lcache)
@@ -1108,6 +1087,39 @@ found:
return ret;
}
+/* Find probe points from debuginfo */
+static int debuginfo__find_probes(struct debuginfo *dbg,
+ struct probe_finder *pf)
+{
+ int ret = 0;
+
+#if _ELFUTILS_PREREQ(0, 142)
+ Elf *elf;
+ GElf_Ehdr ehdr;
+ GElf_Shdr shdr;
+
+ if (pf->cfi_eh || pf->cfi_dbg)
+ return debuginfo__find_probe_location(dbg, pf);
+
+ /* Get the call frame information from this dwarf */
+ elf = dwarf_getelf(dbg->dbg);
+ if (elf == NULL)
+ return -EINVAL;
+
+ if (gelf_getehdr(elf, &ehdr) == NULL)
+ return -EINVAL;
+
+ if (elf_section_by_name(elf, &ehdr, &shdr, ".eh_frame", NULL) &&
+ shdr.sh_type == SHT_PROGBITS)
+ pf->cfi_eh = dwarf_getcfi_elf(elf);
+
+ pf->cfi_dbg = dwarf_getcfi(dbg->dbg);
+#endif
+
+ ret = debuginfo__find_probe_location(dbg, pf);
+ return ret;
+}
+
struct local_vars_finder {
struct probe_finder *pf;
struct perf_probe_arg *args;
diff --git a/tools/perf/util/probe-finder.h b/tools/perf/util/probe-finder.h
index bed82716e1b4..0aec7704e395 100644
--- a/tools/perf/util/probe-finder.h
+++ b/tools/perf/util/probe-finder.h
@@ -76,7 +76,10 @@ struct probe_finder {
/* For variable searching */
#if _ELFUTILS_PREREQ(0, 142)
- Dwarf_CFI *cfi; /* Call Frame Information */
+ /* Call Frame Information from .eh_frame */
+ Dwarf_CFI *cfi_eh;
+ /* Call Frame Information from .debug_frame */
+ Dwarf_CFI *cfi_dbg;
#endif
Dwarf_Op *fb_ops; /* Frame base attribute */
struct perf_probe_arg *pvar; /* Current target variable */
diff --git a/tools/perf/util/stat.c b/tools/perf/util/stat.c
index 2b58edccd56f..afb0c45eba34 100644
--- a/tools/perf/util/stat.c
+++ b/tools/perf/util/stat.c
@@ -311,6 +311,16 @@ int perf_stat_process_counter(struct perf_stat_config *config,
aggr->val = aggr->ena = aggr->run = 0;
+ /*
+ * We calculate counter's data every interval,
+ * and the display code shows ps->res_stats
+ * avg value. We need to zero the stats for
+ * interval mode, otherwise overall avg running
+ * averages will be shown for each interval.
+ */
+ if (config->interval)
+ init_stats(ps->res_stats);
+
if (counter->per_pkg)
zero_per_pkg(counter);