Re: [PATCHv2 2/4] perf evsel: Print warning for excluding kernel mode instruction tracing

2021-03-02 Thread Sai Prakash Ranjan
Hi On 2021-03-02 04:13, Doug Anderson wrote: Hi, On Mon, Mar 1, 2021 at 11:05 AM Sai Prakash Ranjan wrote: Add a warning message to check CONFIG_EXCLUDE_KERNEL_HW_ITRACE kernel config which excludes kernel mode instruction tracing to help perf tool users identify the perf event open failure

Re: [PATCHv2 2/4] perf evsel: Print warning for excluding kernel mode instruction tracing

2021-03-01 Thread Doug Anderson
Hi, On Mon, Mar 1, 2021 at 11:05 AM Sai Prakash Ranjan wrote: > > Add a warning message to check CONFIG_EXCLUDE_KERNEL_HW_ITRACE kernel > config which excludes kernel mode instruction tracing to help perf tool > users identify the perf event open failure when they attempt kernel mode > tracing wi

[PATCHv2 2/4] perf evsel: Print warning for excluding kernel mode instruction tracing

2021-03-01 Thread Sai Prakash Ranjan
Add a warning message to check CONFIG_EXCLUDE_KERNEL_HW_ITRACE kernel config which excludes kernel mode instruction tracing to help perf tool users identify the perf event open failure when they attempt kernel mode tracing with this config enabled. Tested-by: Denis Nikitin Signed-off-by: Sai Prak