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| author | Stefan Liebler <stli@linux.ibm.com> | 2025-01-10 12:55:50 -0500 |
|---|---|---|
| committer | Siddhesh Poyarekar <siddhesh@sourceware.org> | 2025-01-14 09:23:36 -0500 |
| commit | 09ea1afec75ed0d41cb0da27a9df1b8c3dd56ddc (patch) | |
| tree | e42d71d0038e1417211f7d497f0a69b8316c45c4 /sysdeps | |
| parent | 2ac7701888c9918fcdd8b35adcbcd91d7e1e923f (diff) | |
| download | glibc-09ea1afec75ed0d41cb0da27a9df1b8c3dd56ddc.zip glibc-09ea1afec75ed0d41cb0da27a9df1b8c3dd56ddc.tar.gz glibc-09ea1afec75ed0d41cb0da27a9df1b8c3dd56ddc.tar.bz2 | |
affinity-inheritance: Overallocate CPU sets
Some kernels on S390 appear to return a CPU affinity mask based on
configured processors rather than the ones online. Overallocate the CPU
set to match that, but operate only on the ones online.
Signed-off-by: Siddhesh Poyarekar <siddhesh@sourceware.org>
Co-authored-by: Siddhesh Poyarekar <siddhesh@sourceware.org>
Diffstat (limited to 'sysdeps')
| -rw-r--r-- | sysdeps/unix/sysv/linux/tst-sched-affinity-inheritance.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/sysdeps/unix/sysv/linux/tst-sched-affinity-inheritance.c b/sysdeps/unix/sysv/linux/tst-sched-affinity-inheritance.c index fe0297f..8a42d27 100644 --- a/sysdeps/unix/sysv/linux/tst-sched-affinity-inheritance.c +++ b/sysdeps/unix/sysv/linux/tst-sched-affinity-inheritance.c @@ -34,10 +34,11 @@ set_my_affinity (size_t size, const cpu_set_t *set) } static void -verify_my_affinity (int nproc, size_t size, const cpu_set_t *expected_set) +verify_my_affinity (int nproc, int nproc_configured, size_t size, + const cpu_set_t *expected_set) { - cpu_set_t *set = CPU_ALLOC (nproc); - cpu_set_t *xor_set = CPU_ALLOC (nproc); + cpu_set_t *set = CPU_ALLOC (nproc_configured); + cpu_set_t *xor_set = CPU_ALLOC (nproc_configured); if (set == NULL || xor_set== NULL) FAIL_EXIT1 ("verify_my_affinity: Failed to allocate cpuset: %m\n"); |