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Use the TSLOG framework to record entry/exit timestamps for VFS_MOUNT calls.

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This commit is contained in:
Colin Percival 2017-12-31 09:23:35 +00:00
parent a21a2da599
commit 82614df42c
1 changed files with 3 additions and 0 deletions
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3
sys/sys/mount.h
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@ -40,6 +40,7 @@
#ifdef _KERNEL
#include <sys/lock.h>
#include <sys/lockmgr.h>
#include <sys/tslog.h>
#include <sys/_mutex.h>
#include <sys/_sx.h>
#endif
@ -708,9 +709,11 @@ vfs_statfs_t __vfs_statfs;
#define VFS_MOUNT(MP) ({ \
int _rc; \
\
TSRAW(curthread, TS_ENTER, "VFS_MOUNT", (MP)->mnt_vfc->vfc_name);\
VFS_PROLOGUE(MP); \
_rc = (*(MP)->mnt_op->vfs_mount)(MP); \
VFS_EPILOGUE(MP); \
TSRAW(curthread, TS_EXIT, "VFS_MOUNT", (MP)->mnt_vfc->vfc_name);\
_rc; })
#define VFS_UNMOUNT(MP, FORCE) ({ \