Michael Ellerman a05ffdce71 ftracetest: Cope properly with stack tracer not being enabled ... If the stack tracer (CONFIG_STACK_TRACER) is disabled, the fgraph-filter-stack test blows chunks: [8] ftrace - function graph filters with stack tracer [FAIL] + reset_tracer + echo nop ./ftracetest: 19: /home/michael/selftests/ftrace/test.d/ftrace/fgraph-filter-stack.tc: cannot create /proc/sys/kernel/stack_tracer_enabled: Directory nonexistent Fix it by checking if the proc file exists before echoing to it. With the patch applied it fails correctly with: [8] ftrace - function graph filters with stack tracer [UNSUPPORTED] Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Acked-by: Steven Rostedt <rostedt@goodmis.org> Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com>		2015-03-31 10:15:36 -06:00
..
cgroup
firewire
hv	Tools: hv: do not add redundant '/' in hv_start_fcopy()	2015-01-25 09:17:57 -08:00
include	tools: Remove bitops/hweight usage of bits in tools/perf	2015-01-16 17:49:29 -03:00
lguest	tools/lguest: don't use legacy definitions for net device in example launcher.	2015-02-13 17:15:55 +10:30
lib	Merge branch 'perf-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip	2015-02-09 15:43:55 -08:00
net
nfsd
perf	perf tools: Make sparc64 arch point to sparc	2015-02-25 17:39:17 -03:00
power	Merge branches 'pm-cpufreq', 'pm-cpuidle', 'pm-devfreq', 'pm-opp' and 'pm-tools'	2015-02-13 21:39:06 +01:00
scripts
testing	ftracetest: Cope properly with stack tracer not being enabled	2015-03-31 10:15:36 -06:00
thermal/tmon	tools/thermal: tmon: silence 'set but not used' warnings	2015-02-28 13:52:48 +08:00
time	tools: add script to test udelay	2014-07-23 10:16:38 -07:00
usb	tools: ffs-aio-example: use endpoint addresses from descriptors	2015-01-15 09:41:49 -06:00
virtio	tools/virtio: add virtio 1.0 in vringh_test	2014-12-15 23:49:22 +02:00
vm	mm:add KPF_ZERO_PAGE flag for /proc/kpageflags	2015-02-11 17:06:00 -08:00
Makefile