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-rw-r--r--tools/tracing/rtla/src/timerlat_hist.c15
1 files changed, 9 insertions, 6 deletions
diff --git a/tools/tracing/rtla/src/timerlat_hist.c b/tools/tracing/rtla/src/timerlat_hist.c
index 53ded187b33a..d4bd02c01c53 100644
--- a/tools/tracing/rtla/src/timerlat_hist.c
+++ b/tools/tracing/rtla/src/timerlat_hist.c
@@ -1085,12 +1085,15 @@ timerlat_hist_apply_config(struct osnoise_tool *tool, struct timerlat_hist_param
}
}
- if (params->user_hist) {
- retval = osnoise_set_workload(tool->context, 0);
- if (retval) {
- err_msg("Failed to set OSNOISE_WORKLOAD option\n");
- goto out_err;
- }
+ /*
+ * Set workload according to type of thread if the kernel supports it.
+ * On kernels without support, user threads will have already failed
+ * on missing timerlat_fd, and kernel threads do not need it.
+ */
+ retval = osnoise_set_workload(tool->context, params->kernel_workload);
+ if (retval < -1) {
+ err_msg("Failed to set OSNOISE_WORKLOAD option\n");
+ goto out_err;
}
return 0;