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author | Linus Torvalds <torvalds@linux-foundation.org> | 2018-09-15 06:44:32 -1000 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2018-09-15 06:44:32 -1000 |
commit | c0be92b5b14bc6928363527602dabff57875473a (patch) | |
tree | a7f0c394f47377826905c143f3b43f73c053d6ca /tools/perf/util/trace-event-parse.c | |
parent | ca062f8df5d13e3a5c029449a12c20ac5069c094 (diff) | |
parent | cb48b6a26cace226d8b299a48c73e808eb0c4f61 (diff) | |
download | linux-c0be92b5b14bc6928363527602dabff57875473a.tar.gz linux-c0be92b5b14bc6928363527602dabff57875473a.tar.bz2 linux-c0be92b5b14bc6928363527602dabff57875473a.zip |
Merge branch 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull perf fixes from Ingo Molnar:
"Mostly tooling fixes, but also breakpoint and x86 PMU driver fixes"
* 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (23 commits)
perf tools: Fix maps__find_symbol_by_name()
tools headers uapi: Update tools's copy of linux/if_link.h
tools headers uapi: Update tools's copy of linux/vhost.h
tools headers uapi: Update tools's copies of kvm headers
tools headers uapi: Update tools's copy of drm/drm.h
tools headers uapi: Update tools's copy of asm-generic/unistd.h
tools headers uapi: Update tools's copy of linux/perf_event.h
perf/core: Force USER_DS when recording user stack data
perf/UAPI: Clearly mark __PERF_SAMPLE_CALLCHAIN_EARLY as internal use
perf/x86/intel: Add support/quirk for the MISPREDICT bit on Knights Landing CPUs
perf annotate: Fix parsing aarch64 branch instructions after objdump update
perf probe powerpc: Ignore SyS symbols irrespective of endianness
perf event-parse: Use fixed size string for comms
perf util: Fix bad memory access in trace info.
perf tools: Streamline bpf examples and headers installation
perf evsel: Fix potential null pointer dereference in perf_evsel__new_idx()
perf arm64: Fix include path for asm-generic/unistd.h
perf/hw_breakpoint: Simplify breakpoint enable in perf_event_modify_breakpoint
perf/hw_breakpoint: Enable breakpoint in modify_user_hw_breakpoint
perf/hw_breakpoint: Remove superfluous bp->attr.disabled = 0
...
Diffstat (limited to 'tools/perf/util/trace-event-parse.c')
-rw-r--r-- | tools/perf/util/trace-event-parse.c | 7 |
1 files changed, 3 insertions, 4 deletions
diff --git a/tools/perf/util/trace-event-parse.c b/tools/perf/util/trace-event-parse.c index 920b1d58a068..e76214f8d596 100644 --- a/tools/perf/util/trace-event-parse.c +++ b/tools/perf/util/trace-event-parse.c @@ -164,16 +164,15 @@ void parse_ftrace_printk(struct tep_handle *pevent, void parse_saved_cmdline(struct tep_handle *pevent, char *file, unsigned int size __maybe_unused) { - char *comm; + char comm[17]; /* Max comm length in the kernel is 16. */ char *line; char *next = NULL; int pid; line = strtok_r(file, "\n", &next); while (line) { - sscanf(line, "%d %ms", &pid, &comm); - tep_register_comm(pevent, comm, pid); - free(comm); + if (sscanf(line, "%d %16s", &pid, comm) == 2) + tep_register_comm(pevent, comm, pid); line = strtok_r(NULL, "\n", &next); } } |