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| 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/hypfs/hypfs_sprp.c | |
| parent | s390/bitops: implement cache friendly test_and_set_bit_lock (diff) | |
| download | linux-dev-1ec2772e0c3ca3159035c03165355e355efc326b.tar.xz linux-dev-1ec2772e0c3ca3159035c03165355e355efc326b.zip | |
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/hypfs/hypfs_sprp.c')
| -rw-r--r-- | arch/s390/hypfs/hypfs_sprp.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/arch/s390/hypfs/hypfs_sprp.c b/arch/s390/hypfs/hypfs_sprp.c index dd42a26d049d..c9e5c72f78bd 100644 --- a/arch/s390/hypfs/hypfs_sprp.c +++ b/arch/s390/hypfs/hypfs_sprp.c @@ -13,6 +13,7 @@ #include <linux/types.h> #include <linux/uaccess.h> #include <asm/compat.h> +#include <asm/diag.h> #include <asm/sclp.h> #include "hypfs.h" @@ -22,7 +23,7 @@ #define DIAG304_CMD_MAX 2 -static unsigned long hypfs_sprp_diag304(void *data, unsigned long cmd) +static inline unsigned long __hypfs_sprp_diag304(void *data, unsigned long cmd) { register unsigned long _data asm("2") = (unsigned long) data; register unsigned long _rc asm("3"); @@ -34,6 +35,12 @@ static unsigned long hypfs_sprp_diag304(void *data, unsigned long cmd) return _rc; } +static unsigned long hypfs_sprp_diag304(void *data, unsigned long cmd) +{ + diag_stat_inc(DIAG_STAT_X304); + return __hypfs_sprp_diag304(data, cmd); +} + static void hypfs_sprp_free(const void *data) { free_page((unsigned long) data); |