Merge tag 'pci-v5.18-changes-2' of git://git.kernel.org/pub/scm/linux/kernel/git...

[sfrench/cifs-2.6.git] / tools / perf / util / bpf_skel / func_latency.bpf.c

diff --git a/tools/perf/util/bpf_skel/func_latency.bpf.c b/tools/perf/util/bpf_skel/func_latency.bpf.c
index ea94187fe44365c1db12e05abdb441064535b34b..9d01e3af747922ca4a69b2dd5f8e430efb506fd7 100644 (file)
--- 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;
                }