| Message ID | 469f37ab91984309eb68c0fb47e8438cdf5b6463.1617198956.git.christophe.leroy@csgroup.eu (mailing list archive) |
|---|---|
| State | Accepted |
| Commit | f56607e85ee38f2a5bb7096e24e2d40f35d714f9 |
| Headers | show |
| Series | selftests: timens: Fix gettime_perf to work on powerpc | expand |
On Wed, 31 Mar 2021 13:59:17 +0000 (UTC), Christophe Leroy wrote: > On powerpc: > - VDSO library is named linux-vdso32.so.1 or linux-vdso64.so.1 > - clock_gettime is named __kernel_clock_gettime() > > Ensure gettime_perf tries these names before giving up. Applied to powerpc/next. [1/1] selftests: timens: Fix gettime_perf to work on powerpc https://git.kernel.org/powerpc/c/f56607e85ee38f2a5bb7096e24e2d40f35d714f9 cheers
diff --git a/tools/testing/selftests/timens/gettime_perf.c b/tools/testing/selftests/timens/gettime_perf.c index 7bf841a3967b..6b13dc277724 100644 --- a/tools/testing/selftests/timens/gettime_perf.c +++ b/tools/testing/selftests/timens/gettime_perf.c @@ -25,12 +25,20 @@ static void fill_function_pointers(void) if (!vdso) vdso = dlopen("linux-gate.so.1", RTLD_LAZY | RTLD_LOCAL | RTLD_NOLOAD); + if (!vdso) + vdso = dlopen("linux-vdso32.so.1", + RTLD_LAZY | RTLD_LOCAL | RTLD_NOLOAD); + if (!vdso) + vdso = dlopen("linux-vdso64.so.1", + RTLD_LAZY | RTLD_LOCAL | RTLD_NOLOAD); if (!vdso) { pr_err("[WARN]\tfailed to find vDSO\n"); return; } vdso_clock_gettime = (vgettime_t)dlsym(vdso, "__vdso_clock_gettime"); + if (!vdso_clock_gettime) + vdso_clock_gettime = (vgettime_t)dlsym(vdso, "__kernel_clock_gettime"); if (!vdso_clock_gettime) pr_err("Warning: failed to find clock_gettime in vDSO\n");
On powerpc: - VDSO library is named linux-vdso32.so.1 or linux-vdso64.so.1 - clock_gettime is named __kernel_clock_gettime() Ensure gettime_perf tries these names before giving up. Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu> --- tools/testing/selftests/timens/gettime_perf.c | 8 ++++++++ 1 file changed, 8 insertions(+)