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| author | Carlos Maiolino <cmaiolino@redhat.com> | 2016-04-06 09:46:30 +1000 |
|---|---|---|
| committer | Dave Chinner <david@fromorbit.com> | 2016-04-06 09:46:30 +1000 |
| commit | 9f27889f3a96ff356ac92688cc0c4be3935ae3af (patch) | |
| tree | a53ceec8061dd9fef26b8b82102c784b77738a0d /fs/xfs/xfs_trace.h | |
| parent | f55532a0c0b8bb6148f4e07853b876ef73bc69ca (diff) | |
| download | lwn-9f27889f3a96ff356ac92688cc0c4be3935ae3af.tar.gz lwn-9f27889f3a96ff356ac92688cc0c4be3935ae3af.zip | |
xfs: Add caller function output to xfs_log_force tracepoint
I had sent this patch yesterday, but for some reason it didn't reach
xfs list, sending again.
Output the caller of xfs_log_force might be useful when tracing log
checkpoint problems without the need to build kernel with DEBUG.
Signed-off-by: Carlos Maiolino <cmaiolino@redhat.com>
Reviewed-by: Brian Foster <bfoster@redhat.com>
Signed-off-by: Dave Chinner <david@fromorbit.com>
Diffstat (limited to 'fs/xfs/xfs_trace.h')
| -rw-r--r-- | fs/xfs/xfs_trace.h | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/fs/xfs/xfs_trace.h b/fs/xfs/xfs_trace.h index c8d58426008e..384bb1791481 100644 --- a/fs/xfs/xfs_trace.h +++ b/fs/xfs/xfs_trace.h @@ -1053,19 +1053,21 @@ DECLARE_EVENT_CLASS(xfs_log_item_class, ) TRACE_EVENT(xfs_log_force, - TP_PROTO(struct xfs_mount *mp, xfs_lsn_t lsn), - TP_ARGS(mp, lsn), + TP_PROTO(struct xfs_mount *mp, xfs_lsn_t lsn, unsigned long caller_ip), + TP_ARGS(mp, lsn, caller_ip), TP_STRUCT__entry( __field(dev_t, dev) __field(xfs_lsn_t, lsn) + __field(unsigned long, caller_ip) ), TP_fast_assign( __entry->dev = mp->m_super->s_dev; __entry->lsn = lsn; + __entry->caller_ip = caller_ip; ), - TP_printk("dev %d:%d lsn 0x%llx", + TP_printk("dev %d:%d lsn 0x%llx caller %ps", MAJOR(__entry->dev), MINOR(__entry->dev), - __entry->lsn) + __entry->lsn, (void *)__entry->caller_ip) ) #define DEFINE_LOG_ITEM_EVENT(name) \ |