diff options
Diffstat (limited to 'tools/perf/util/bpf_ftrace.c')
| -rw-r--r-- | tools/perf/util/bpf_ftrace.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/tools/perf/util/bpf_ftrace.c b/tools/perf/util/bpf_ftrace.c index d756cc66eef3..7a4297d8fd2c 100644 --- a/tools/perf/util/bpf_ftrace.c +++ b/tools/perf/util/bpf_ftrace.c @@ -38,7 +38,7 @@ int perf_ftrace__latency_prepare_bpf(struct perf_ftrace *ftrace) /* don't need to set cpu filter for system-wide mode */ if (ftrace->target.cpu_list) { - ncpus = perf_cpu_map__nr(ftrace->evlist->core.cpus); + ncpus = perf_cpu_map__nr(ftrace->evlist->core.user_requested_cpus); bpf_map__set_max_entries(skel->maps.cpu_filter, ncpus); } @@ -63,7 +63,7 @@ int perf_ftrace__latency_prepare_bpf(struct perf_ftrace *ftrace) fd = bpf_map__fd(skel->maps.cpu_filter); for (i = 0; i < ncpus; i++) { - cpu = perf_cpu_map__cpu(ftrace->evlist->core.cpus, i).cpu; + cpu = perf_cpu_map__cpu(ftrace->evlist->core.user_requested_cpus, i).cpu; bpf_map_update_elem(fd, &cpu, &val, BPF_ANY); } } @@ -81,6 +81,8 @@ int perf_ftrace__latency_prepare_bpf(struct perf_ftrace *ftrace) } } + skel->bss->use_nsec = ftrace->use_nsec; + skel->links.func_begin = bpf_program__attach_kprobe(skel->progs.func_begin, false, func->name); if (IS_ERR(skel->links.func_begin)) { |