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perf tools fixes for v5.15: 5th batch

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- Fix compilation of callchain related code on powerpc with gcc11+.
 
 - Fix PERF_SAMPLE_WEIGHT_STRUCT support in 'perf script'
 
 - Check session->header.env.arch before using it, fixing a segmentation fault.
 
 - Suppress 'rm dlfilter' build messages.
 
 Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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Merge tag 'perf-tools-fixes-for-v5.15-2021-10-31' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux

Pull perf tools fixes from Arnaldo Carvalho de Melo:

 - Fix compilation of callchain related code on powerpc with gcc11+

 - Fix PERF_SAMPLE_WEIGHT_STRUCT support in 'perf script'

 - Check session->header.env.arch before using it, fixing a segmentation
   fault

 - Suppress 'rm dlfilter' build messages

* tag 'perf-tools-fixes-for-v5.15-2021-10-31' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux:
  perf script: Fix PERF_SAMPLE_WEIGHT_STRUCT support
  perf callchain: Fix compilation on powerpc with gcc11+
  perf script: Check session->header.env.arch before using it
  perf build: Suppress 'rm dlfilter' build message
This commit is contained in:
Linus Torvalds 2021-10-31 11:24:06 -07:00
commit 75fcbd3860
3 changed files with 12 additions and 6 deletions
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2
tools/perf/Makefile.perf
View file

@ -787,6 +787,8 @@ $(OUTPUT)dlfilters/%.o: dlfilters/%.c include/perf/perf_dlfilter.h
$(Q)$(MKDIR) -p $(OUTPUT)dlfilters
$(QUIET_CC)$(CC) -c -Iinclude $(EXTRA_CFLAGS) -o $@ -fpic $<
.SECONDARY: $(DLFILTERS:.so=.o)
$(OUTPUT)dlfilters/%.so: $(OUTPUT)dlfilters/%.o
$(QUIET_LINK)$(CC) $(EXTRA_CFLAGS) -shared -o $@ $<

2
tools/perf/arch/powerpc/util/skip-callchain-idx.c
View file

@ -45,7 +45,7 @@ static const Dwfl_Callbacks offline_callbacks = {
*/
static int check_return_reg(int ra_regno, Dwarf_Frame *frame)
{
Dwarf_Op ops_mem[2];
Dwarf_Op ops_mem[3];
Dwarf_Op dummy;
Dwarf_Op *ops = &dummy;
size_t nops;

14
tools/perf/builtin-script.c
View file

@ -459,7 +459,7 @@ static int evsel__check_attr(struct evsel *evsel, struct perf_session *session)
return -EINVAL;
if (PRINT_FIELD(WEIGHT) &&
evsel__check_stype(evsel, PERF_SAMPLE_WEIGHT, "WEIGHT", PERF_OUTPUT_WEIGHT))
evsel__check_stype(evsel, PERF_SAMPLE_WEIGHT_TYPE, "WEIGHT", PERF_OUTPUT_WEIGHT))
return -EINVAL;
if (PRINT_FIELD(SYM) &&
@ -4039,11 +4039,15 @@ int cmd_script(int argc, const char **argv)
goto out_delete;
uname(&uts);
if (data.is_pipe || /* assume pipe_mode indicates native_arch */
!strcmp(uts.machine, session->header.env.arch) ||
(!strcmp(uts.machine, "x86_64") &&
!strcmp(session->header.env.arch, "i386")))
if (data.is_pipe) { /* Assume pipe_mode indicates native_arch */
native_arch = true;
} else if (session->header.env.arch) {
if (!strcmp(uts.machine, session->header.env.arch))
native_arch = true;
else if (!strcmp(uts.machine, "x86_64") &&
!strcmp(session->header.env.arch, "i386"))
native_arch = true;
}
script.session = session;
script__setup_sample_type(&script);