diff options
| author | Heiko Carstens <heiko.carstens@de.ibm.com> | 2010-10-29 16:50:37 +0200 |
|---|---|---|
| committer | Martin Schwidefsky <sky@mschwide.boeblingen.de.ibm.com> | 2010-10-29 16:50:49 +0200 |
| commit | 8d11e0218321fccc6912c4dcfbaf2095bad5d33a (patch) | |
| tree | 6c26fd32b731c22027ed325d353fdd49ef34eaff /arch/s390/kernel | |
| parent | db81a23d8003d1ca4452c6d728502780f0234368 (diff) | |
[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 f04d93aa48e..5c9e439bf3f 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; } |