linux-brain/tools/perf
Adrian Hunter 5ed7a8f6f9 perf intel-pt: Fix divide by zero when TSC is not available
commit 076333870c upstream.

When TSC is not available, "timeless" decoding is used but a divide by
zero occurs if perf_time_to_tsc() is called.

Ensure the divisor is not zero.

Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: stable@vger.kernel.org # v4.9+
Link: https://lkml.kernel.org/n/tip-1i4j0wqoc8vlbkcizqqxpsf4@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-03-23 13:19:53 +01:00
..
Documentation perf top/report: Add tips about a list option 2016-10-05 19:51:53 -03:00
arch perf tools: Add Hygon Dhyana support 2019-02-12 19:44:52 +01:00
bench perf bench: Fix numa report output code 2018-08-24 13:12:32 +02:00
jvmti perf jit: Fix build issue on Ubuntu 2016-10-17 11:25:34 -03:00
pmu-events perf tools: Fix build with ARCH=x86_64 2018-01-23 19:57:07 +01:00
python perf python: Add tracepoint example 2016-07-12 16:23:35 -03:00
scripts perf script python: Fix export-to-postgresql.py occasional failure 2018-10-18 09:13:21 +02:00
tests perf tests evsel-tp-sched: Fix bitwise operator 2019-02-12 19:45:02 +01:00
trace perf trace: Check if MAP_32BIT is defined (again) 2017-01-26 08:24:36 +01:00
ui perf annotate: Fix broken arrow at row 0 connecting jmp instruction to its target 2017-07-27 15:08:06 -07:00
util perf intel-pt: Fix divide by zero when TSC is not available 2019-03-23 13:19:53 +01:00
.gitignore perf tools: Add arch/*/include/generated/ to .gitignore 2016-05-30 12:41:46 -03:00
Build
CREDITS
MANIFEST tools include: Introduce linux/bug.h, from the kernel sources 2018-06-05 10:28:56 +02:00
Makefile perf tools: Disable parallelism for 'make clean' 2018-11-10 07:42:57 -08:00
Makefile.config perf tools: Fix build with ARCH=x86_64 2018-01-23 19:57:07 +01:00
Makefile.perf perf tools: Move headers check into bash script 2018-06-05 10:28:56 +02:00
builtin-annotate.c perf annotate: Add branch stack / basic block 2016-09-08 13:44:03 -03:00
builtin-bench.c
builtin-buildid-cache.c tools: Introduce str_error_r() 2016-07-12 15:19:47 -03:00
builtin-buildid-list.c
builtin-config.c perf config: Reimplement show_config() using config_set__for_each 2016-06-23 17:23:00 -03:00
builtin-data.c perf data ctf: Add '--all' option for 'perf data convert' 2016-06-28 10:54:57 -03:00
builtin-diff.c perf diff: Fix -o/--order option behavior (again) 2017-02-14 15:25:42 -08:00
builtin-evlist.c perf evlist: Rename for_each() macros to for_each_entry() 2016-06-23 11:26:15 -03:00
builtin-help.c tools: Introduce str_error_r() 2016-07-12 15:19:47 -03:00
builtin-inject.c perf symbols: Remove symbol_filter_t machinery 2016-09-05 11:14:50 -03:00
builtin-kmem.c perf symbols: Remove symbol_filter_t machinery 2016-09-05 11:14:50 -03:00
builtin-kvm.c perf kvm: Use NSEC_PER_USEC 2016-08-23 15:37:33 -03:00
builtin-list.c perf list: Support long jevents descriptions 2016-10-03 21:35:47 -03:00
builtin-lock.c
builtin-mem.c perf mem: Fix --all-user/--all-kernel options 2017-01-26 08:24:35 +01:00
builtin-probe.c perf probe: Return errno when not hitting any event 2018-03-22 09:17:40 +01:00
builtin-record.c perf record: Add support for using symbols in address filters 2016-09-29 11:17:02 -03:00
builtin-report.c perf report: Enable group view with hierarchy 2016-09-13 16:43:41 -03:00
builtin-sched.c perf sched: Use linux/time64.h 2016-08-23 15:37:33 -03:00
builtin-script.c perf symbols: Remove symbol_filter_t machinery 2016-09-05 11:14:50 -03:00
builtin-stat.c perf stat: Fix core dump when flag T is used 2018-05-30 07:50:45 +02:00
builtin-timechart.c perf timechart: Use NSEC_PER_U?SEC 2016-08-23 15:37:33 -03:00
builtin-top.c perf top: Fix top.call-graph config option reading 2018-05-30 07:50:45 +02:00
builtin-trace.c perf trace: Add mmap alias for s390 2018-04-13 19:48:17 +02:00
builtin-version.c
builtin.h perf tools: Remove needless 'extern' from function prototypes 2016-03-23 15:06:35 -03:00
check-headers.sh tools include uapi: Grab copies of stat.h and fcntl.h 2018-06-05 10:28:56 +02:00
command-list.txt
design.txt
perf-archive.sh
perf-completion.sh
perf-read-vdso.c
perf-sys.h perf powerpc: Fix build-test failure 2016-09-08 13:44:07 -03:00
perf-with-kcore.sh
perf.c perf tools: Just pr_debug() about not being able to read cacheline_size 2016-07-15 10:08:29 -03:00
perf.h perf tools: Allow overriding MAX_NR_CPUS at compile time 2018-09-19 22:47:13 +02:00