diff options
| author | Martin Schwidefsky <schwidefsky@de.ibm.com> | 2015-08-20 17:28:44 +0200 |
|---|---|---|
| committer | Martin Schwidefsky <schwidefsky@de.ibm.com> | 2015-10-14 14:32:06 +0200 |
| commit | 1ec2772e0c3ca3159035c03165355e355efc326b (patch) | |
| tree | 469be3ba9032d367e4a796d6a31b25ccaab0d06a /arch/s390/kernel/cpcmd.c | |
| parent | acdc9fc9a8121ce2ebcd7533bd72852c20b353f3 (diff) | |
| download | linux-1ec2772e0c3ca3159035c03165355e355efc326b.tar.bz2 | |
s390/diag: add a statistic for diagnose calls
Introduce /sys/debug/kernel/diag_stat with a statistic how many diagnose
calls have been done by each CPU in the system.
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'arch/s390/kernel/cpcmd.c')
| -rw-r--r-- | arch/s390/kernel/cpcmd.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/s390/kernel/cpcmd.c b/arch/s390/kernel/cpcmd.c index 199ec92ef4fe..7f768914fb4f 100644 --- a/arch/s390/kernel/cpcmd.c +++ b/arch/s390/kernel/cpcmd.c @@ -14,6 +14,7 @@ #include <linux/spinlock.h> #include <linux/stddef.h> #include <linux/string.h> +#include <asm/diag.h> #include <asm/ebcdic.h> #include <asm/cpcmd.h> #include <asm/io.h> @@ -70,6 +71,7 @@ int __cpcmd(const char *cmd, char *response, int rlen, int *response_code) memcpy(cpcmd_buf, cmd, cmdlen); ASCEBC(cpcmd_buf, cmdlen); + diag_stat_inc(DIAG_STAT_X008); if (response) { memset(response, 0, rlen); response_len = rlen; |