diff options
| author | Trond Myklebust <trond.myklebust@hammerspace.com> | 2020-12-16 16:31:26 -0500 |
|---|---|---|
| committer | Trond Myklebust <trond.myklebust@hammerspace.com> | 2020-12-16 17:25:24 -0500 |
| commit | cac1d3a2b8f7f0817ac4feab76f5d3b12e4b02d7 (patch) | |
| tree | 2870f6af909379338cbe35aa4be34e0e7765d368 /fs/nfs/nfs4trace.h | |
| parent | 3316fb80a0b4c1fef03a3eb1a7f0651e2133c429 (diff) | |
| download | linux-cac1d3a2b8f7f0817ac4feab76f5d3b12e4b02d7.tar.gz linux-cac1d3a2b8f7f0817ac4feab76f5d3b12e4b02d7.tar.bz2 linux-cac1d3a2b8f7f0817ac4feab76f5d3b12e4b02d7.zip | |
NFSv4/pnfs: Add tracing for the deviceid cache
Add tracepoints to allow debugging of the deviceid cache.
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Diffstat (limited to 'fs/nfs/nfs4trace.h')
| -rw-r--r-- | fs/nfs/nfs4trace.h | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/fs/nfs/nfs4trace.h b/fs/nfs/nfs4trace.h index 484c1da96dea..48d761e593fb 100644 --- a/fs/nfs/nfs4trace.h +++ b/fs/nfs/nfs4trace.h @@ -2189,6 +2189,81 @@ DEFINE_PNFS_LAYOUT_EVENT(pnfs_mds_fallback_write_done); DEFINE_PNFS_LAYOUT_EVENT(pnfs_mds_fallback_read_pagelist); DEFINE_PNFS_LAYOUT_EVENT(pnfs_mds_fallback_write_pagelist); +DECLARE_EVENT_CLASS(nfs4_deviceid_event, + TP_PROTO( + const struct nfs_client *clp, + const struct nfs4_deviceid *deviceid + ), + + TP_ARGS(clp, deviceid), + + TP_STRUCT__entry( + __string(dstaddr, clp->cl_hostname) + __array(unsigned char, deviceid, NFS4_DEVICEID4_SIZE) + ), + + TP_fast_assign( + __assign_str(dstaddr, clp->cl_hostname); + memcpy(__entry->deviceid, deviceid->data, + NFS4_DEVICEID4_SIZE); + ), + + TP_printk( + "deviceid=%s, dstaddr=%s", + __print_hex(__entry->deviceid, NFS4_DEVICEID4_SIZE), + __get_str(dstaddr) + ) +); +#define DEFINE_PNFS_DEVICEID_EVENT(name) \ + DEFINE_EVENT(nfs4_deviceid_event, name, \ + TP_PROTO(const struct nfs_client *clp, \ + const struct nfs4_deviceid *deviceid \ + ), \ + TP_ARGS(clp, deviceid)) +DEFINE_PNFS_DEVICEID_EVENT(nfs4_deviceid_free); + +DECLARE_EVENT_CLASS(nfs4_deviceid_status, + TP_PROTO( + const struct nfs_server *server, + const struct nfs4_deviceid *deviceid, + int status + ), + + TP_ARGS(server, deviceid, status), + + TP_STRUCT__entry( + __field(dev_t, dev) + __field(int, status) + __string(dstaddr, server->nfs_client->cl_hostname) + __array(unsigned char, deviceid, NFS4_DEVICEID4_SIZE) + ), + + TP_fast_assign( + __entry->dev = server->s_dev; + __entry->status = status; + __assign_str(dstaddr, server->nfs_client->cl_hostname); + memcpy(__entry->deviceid, deviceid->data, + NFS4_DEVICEID4_SIZE); + ), + + TP_printk( + "dev=%02x:%02x: deviceid=%s, dstaddr=%s, status=%d", + MAJOR(__entry->dev), MINOR(__entry->dev), + __print_hex(__entry->deviceid, NFS4_DEVICEID4_SIZE), + __get_str(dstaddr), + __entry->status + ) +); +#define DEFINE_PNFS_DEVICEID_STATUS(name) \ + DEFINE_EVENT(nfs4_deviceid_status, name, \ + TP_PROTO(const struct nfs_server *server, \ + const struct nfs4_deviceid *deviceid, \ + int status \ + ), \ + TP_ARGS(server, deviceid, status)) +DEFINE_PNFS_DEVICEID_STATUS(nfs4_getdeviceinfo); +DEFINE_PNFS_DEVICEID_STATUS(nfs4_find_deviceid); + DECLARE_EVENT_CLASS(nfs4_flexfiles_io_event, TP_PROTO( const struct nfs_pgio_header *hdr |