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| author | Thomas Gleixner <tglx@linutronix.de> | 2018-07-12 22:19:58 +0200 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2018-07-12 22:19:58 +0200 |
| commit | c6bb11147eb09bd39f316c6062455b88c905ab6e (patch) | |
| tree | 5a1a6ec2970daef5fa8546741ced3ef3924bf807 /tools/bpf/bpftool/perf.c | |
| parent | a8802d97e73346bc81609df9dfba7d3306f40d87 (diff) | |
| parent | b061c7a513afe14a68af41cec7c3476befc40e95 (diff) | |
| download | linux-c6bb11147eb09bd39f316c6062455b88c905ab6e.tar.bz2 | |
Merge branch 'fortglx/4.19/time' of https://git.linaro.org/people/john.stultz/linux into timers/core
Pull timekeeping updates from John Stultz:
- Make the timekeeping update more precise when NTP frequency is set
directly by updating the multiplier.
- Adjust selftests
Diffstat (limited to 'tools/bpf/bpftool/perf.c')
| -rw-r--r-- | tools/bpf/bpftool/perf.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/tools/bpf/bpftool/perf.c b/tools/bpf/bpftool/perf.c index ac6b1a12c9b7..b76b77dcfd1f 100644 --- a/tools/bpf/bpftool/perf.c +++ b/tools/bpf/bpftool/perf.c @@ -29,9 +29,10 @@ static bool has_perf_query_support(void) if (perf_query_supported) goto out; - fd = open(bin_name, O_RDONLY); + fd = open("/", O_RDONLY); if (fd < 0) { - p_err("perf_query_support: %s", strerror(errno)); + p_err("perf_query_support: cannot open directory \"/\" (%s)", + strerror(errno)); goto out; } |