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author | Heiko Carstens <heiko.carstens@de.ibm.com> | 2010-10-29 14:50:37 (GMT) |
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committer | Martin Schwidefsky <sky@mschwide.boeblingen.de.ibm.com> | 2010-10-29 14:50:49 (GMT) |
commit | 8d11e0218321fccc6912c4dcfbaf2095bad5d33a (patch) | |
tree | 6c26fd32b731c22027ed325d353fdd49ef34eaff /arch/s390/kernel | |
parent | db81a23d8003d1ca4452c6d728502780f0234368 (diff) | |
download | linux-8d11e0218321fccc6912c4dcfbaf2095bad5d33a.tar.xz |
[S390] topology: add SCHED_MC config option
This allows us to easily check for performance differences seen with
!CONFIG_SCHED_MC and topology=off.
Actually there shouldn't be any (besides a small overhead because of
additional code).
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'arch/s390/kernel')
-rw-r--r-- | arch/s390/kernel/sysinfo.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/s390/kernel/sysinfo.c b/arch/s390/kernel/sysinfo.c index f04d93a..5c9e439 100644 --- a/arch/s390/kernel/sysinfo.c +++ b/arch/s390/kernel/sysinfo.c @@ -106,11 +106,13 @@ static int stsi_15_1_x(struct sysinfo_15_1_x *info, char *page, int len) for (i = 0; i < TOPOLOGY_NR_MAG; i++) len += sprintf(page + len, " %d", info->mag[i]); len += sprintf(page + len, "\n"); +#ifdef CONFIG_SCHED_MC store_topology(info); len += sprintf(page + len, "CPU Topology SW: "); for (i = 0; i < TOPOLOGY_NR_MAG; i++) len += sprintf(page + len, " %d", info->mag[i]); len += sprintf(page + len, "\n"); +#endif return len; } |