[PATCH 14/17] perf record: Change warning for missing sysfs entry to debug

2018-04-13 Thread Arnaldo Carvalho de Melo
From: Thomas Richter Using perf on 4.16.0 kernel on s390 shows this 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

[PATCH 14/17] perf record: Change warning for missing sysfs entry to debug

2018-04-13 Thread Arnaldo Carvalho de Melo
From: Thomas Richter Using perf on 4.16.0 kernel on s390 shows this 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