redonkable/remarkable-linux
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Merge branch 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

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Pull perf fixes from Ingo Molnar:
 "Misc smaller fixes"

* 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  perf/x86: Fix leak in uncore_type_init failure paths
  perf machine: Use map as success in ip__resolve_ams
  perf symbols: Fix crash in elf_section_by_name
  perf trace: Decode architecture-specific signal numbers
This commit is contained in:
Linus Torvalds 2014-03-16 10:41:21 -07:00
parent 4f87dac386 b7b4839d93
commit b44eeb4d47
4 changed files with 15 additions and 6 deletions
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3
arch/x86/kernel/cpu/perf_event_intel_uncore.c
View file

@ -3334,6 +3334,8 @@ static int __init uncore_type_init(struct intel_uncore_type *type)
if (!pmus)
return -ENOMEM;
type->pmus = pmus;
type->unconstrainted = (struct event_constraint)
__EVENT_CONSTRAINT(0, (1ULL << type->num_counters) - 1,
0, type->num_counters, 0, 0);
@ -3369,7 +3371,6 @@ static int __init uncore_type_init(struct intel_uncore_type *type)
}
type->pmu_group = &uncore_pmu_attr_group;
type->pmus = pmus;
return 0;
fail:
uncore_type_exit(type);

10
tools/perf/builtin-trace.c
View file

@ -825,7 +825,6 @@ static size_t syscall_arg__scnprintf_signum(char *bf, size_t size, struct syscal
P_SIGNUM(PIPE);
P_SIGNUM(ALRM);
P_SIGNUM(TERM);
P_SIGNUM(STKFLT);
P_SIGNUM(CHLD);
P_SIGNUM(CONT);
P_SIGNUM(STOP);
@ -841,6 +840,15 @@ static size_t syscall_arg__scnprintf_signum(char *bf, size_t size, struct syscal
P_SIGNUM(IO);
P_SIGNUM(PWR);
P_SIGNUM(SYS);
#ifdef SIGEMT
P_SIGNUM(EMT);
#endif
#ifdef SIGSTKFLT
P_SIGNUM(STKFLT);
#endif
#ifdef SIGSWI
P_SIGNUM(SWI);
#endif
default: break;
}

2
tools/perf/util/machine.c
View file

@ -1213,7 +1213,7 @@ static void ip__resolve_ams(struct machine *machine, struct thread *thread,
*/
thread__find_addr_location(thread, machine, m, MAP__FUNCTION,
ip, &al);
if (al.sym)
if (al.map)
goto found;
}
found:

6
tools/perf/util/symbol-elf.c
View file

@ -151,15 +151,15 @@ Elf_Scn *elf_section_by_name(Elf *elf, GElf_Ehdr *ep,
gelf_getshdr(sec, shp);
str = elf_strptr(elf, ep->e_shstrndx, shp->sh_name);
if (!strcmp(name, str)) {
if (str && !strcmp(name, str)) {
if (idx)
*idx = cnt;
break;
return sec;
}
++cnt;
}
return sec;
return NULL;
}
#define elf_section__for_each_rel(reldata, pos, pos_mem, idx, nr_entries) \