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authorSean Paul <seanpaul@chromium.org>2017-07-17 17:43:05 +0200
committerSean Paul <seanpaul@chromium.org>2017-07-17 17:56:07 +0200
commitef434a0c2ce765ad33026375db7d23aebd5e9532 (patch)
tree4bdac59f0bac3a6508741e6bd62da6e770fc3bc1 /tools/perf/util/unwind-libdw.c
parentdma-buf/fence: Avoid use of uninitialised timestamp (diff)
parentdrm/vc4: Fix VBLANK handling in crtc->enable() path (diff)
downloadlinux-ef434a0c2ce765ad33026375db7d23aebd5e9532.tar.xz
linux-ef434a0c2ce765ad33026375db7d23aebd5e9532.zip
Merge branch 'drm-misc-next-fixes' into drm-misc-fixes
Pick up 1ed134e6526b drm/vc4: Fix VBLANK handling in crtc->enable() path From drm-misc-next-fixes, it was applied after the last pull request was sent from that branch. We'll send it through drm-fixes instead.
Diffstat (limited to 'tools/perf/util/unwind-libdw.c')
-rw-r--r--tools/perf/util/unwind-libdw.c18
1 files changed, 17 insertions, 1 deletions
diff --git a/tools/perf/util/unwind-libdw.c b/tools/perf/util/unwind-libdw.c
index 943a06291587..7755a5e0fe5e 100644
--- a/tools/perf/util/unwind-libdw.c
+++ b/tools/perf/util/unwind-libdw.c
@@ -39,6 +39,14 @@ static int __report_module(struct addr_location *al, u64 ip,
return 0;
mod = dwfl_addrmodule(ui->dwfl, ip);
+ if (mod) {
+ Dwarf_Addr s;
+
+ dwfl_module_info(mod, NULL, &s, NULL, NULL, NULL, NULL, NULL);
+ if (s != al->map->start)
+ mod = 0;
+ }
+
if (!mod)
mod = dwfl_report_elf(ui->dwfl, dso->short_name,
dso->long_name, -1, al->map->start,
@@ -170,6 +178,14 @@ frame_callback(Dwfl_Frame *state, void *arg)
Dwarf_Addr pc;
bool isactivation;
+ if (!dwfl_frame_pc(state, &pc, NULL)) {
+ pr_err("%s", dwfl_errmsg(-1));
+ return DWARF_CB_ABORT;
+ }
+
+ // report the module before we query for isactivation
+ report_module(pc, ui);
+
if (!dwfl_frame_pc(state, &pc, &isactivation)) {
pr_err("%s", dwfl_errmsg(-1));
return DWARF_CB_ABORT;
@@ -224,7 +240,7 @@ int unwind__get_entries(unwind_entry_cb_t cb, void *arg,
err = dwfl_getthread_frames(ui->dwfl, thread->tid, frame_callback, ui);
- if (err && !ui->max_stack)
+ if (err && ui->max_stack != max_stack)
err = 0;
/*