Re: [PATCH] perf record: Remove unnecessary warning for missing sysfs entry

2018-04-12 Thread Thomas-Mich Richter
On 04/12/2018 03:05 PM, Arnaldo Carvalho de Melo wrote: > Em Thu, Apr 12, 2018 at 01:47:23PM +0200, Thomas Richter escreveu: >> Using perf on 4.16.0 kernel on s390 shows warning >>failed: can't open node sysfs data >> each time I run command perf record ... for example: >> >> [root@s35lp76 perf

Re: [PATCH] perf record: Remove unnecessary warning for missing sysfs entry

2018-04-12 Thread Arnaldo Carvalho de Melo
Em Thu, Apr 12, 2018 at 01:47:23PM +0200, Thomas Richter escreveu: > Using perf on 4.16.0 kernel on s390 shows warning >failed: can't open node sysfs data > each time I run command perf record ... for example: > > [root@s35lp76 perf]# ./perf record -e rB -- sleep 1 > [ perf record: Woken u

[PATCH] perf record: Remove unnecessary warning for missing sysfs entry

2018-04-12 Thread Thomas Richter
Using perf on 4.16.0 kernel on s390 shows warning failed: can't open node sysfs data each time I run command perf record ... for example: [root@s35lp76 perf]# ./perf record -e rB -- sleep 1 [ perf record: Woken up 1 times to write data ] failed: can't open node sysfs data [ perf record: Cap