diff options
Diffstat (limited to 'tools/perf/util/bpf_skel/func_latency.bpf.c')
| -rw-r--r-- | tools/perf/util/bpf_skel/func_latency.bpf.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/tools/perf/util/bpf_skel/func_latency.bpf.c b/tools/perf/util/bpf_skel/func_latency.bpf.c index ea94187fe443..9d01e3af7479 100644 --- a/tools/perf/util/bpf_skel/func_latency.bpf.c +++ b/tools/perf/util/bpf_skel/func_latency.bpf.c @@ -39,6 +39,7 @@ struct { int enabled = 0; int has_cpu = 0; int has_task = 0; +int use_nsec = 0; SEC("kprobe/func") int BPF_PROG(func_begin) @@ -80,6 +81,7 @@ int BPF_PROG(func_end) { __u64 tid; __u64 *start; + __u64 cmp_base = use_nsec ? 1 : 1000; if (!enabled) return 0; @@ -97,9 +99,9 @@ int BPF_PROG(func_end) if (delta < 0) return 0; - // calculate index using delta in usec + // calculate index using delta for (key = 0; key < (NUM_BUCKET - 1); key++) { - if (delta < ((1000UL) << key)) + if (delta < (cmp_base << key)) break; } |