diff options
Diffstat (limited to 'fs/smb/client/trace.h')
| -rw-r--r-- | fs/smb/client/trace.h | 240 |
1 files changed, 218 insertions, 22 deletions
diff --git a/fs/smb/client/trace.h b/fs/smb/client/trace.h index f9c1fd32d0b8..af97389e983e 100644 --- a/fs/smb/client/trace.h +++ b/fs/smb/client/trace.h @@ -3,6 +3,9 @@ * Copyright (C) 2018, Microsoft Corporation. * * Author(s): Steve French <stfrench@microsoft.com> + * + * Please use this 3-part article as a reference for writing new tracepoints: + * https://lwn.net/Articles/379903/ */ #undef TRACE_SYSTEM #define TRACE_SYSTEM cifs @@ -15,12 +18,129 @@ #include <linux/inet.h> /* - * Please use this 3-part article as a reference for writing new tracepoints: - * https://lwn.net/Articles/379903/ + * Specify enums for tracing information. */ +#define smb3_tcon_ref_traces \ + EM(netfs_trace_tcon_ref_dec_dfs_refer, "DEC DfsRef") \ + EM(netfs_trace_tcon_ref_free, "FRE ") \ + EM(netfs_trace_tcon_ref_free_fail, "FRE Fail ") \ + EM(netfs_trace_tcon_ref_free_ipc, "FRE Ipc ") \ + EM(netfs_trace_tcon_ref_free_ipc_fail, "FRE Ipc-F ") \ + EM(netfs_trace_tcon_ref_free_reconnect_server, "FRE Reconn") \ + EM(netfs_trace_tcon_ref_get_cancelled_close, "GET Cn-Cls") \ + EM(netfs_trace_tcon_ref_get_dfs_refer, "GET DfsRef") \ + EM(netfs_trace_tcon_ref_get_find, "GET Find ") \ + EM(netfs_trace_tcon_ref_get_find_sess_tcon, "GET FndSes") \ + EM(netfs_trace_tcon_ref_get_reconnect_server, "GET Reconn") \ + EM(netfs_trace_tcon_ref_new, "NEW ") \ + EM(netfs_trace_tcon_ref_new_ipc, "NEW Ipc ") \ + EM(netfs_trace_tcon_ref_new_reconnect_server, "NEW Reconn") \ + EM(netfs_trace_tcon_ref_put_cancelled_close, "PUT Cn-Cls") \ + EM(netfs_trace_tcon_ref_put_cancelled_close_fid, "PUT Cn-Fid") \ + EM(netfs_trace_tcon_ref_put_cancelled_mid, "PUT Cn-Mid") \ + EM(netfs_trace_tcon_ref_put_mnt_ctx, "PUT MntCtx") \ + EM(netfs_trace_tcon_ref_put_reconnect_server, "PUT Reconn") \ + EM(netfs_trace_tcon_ref_put_tlink, "PUT Tlink ") \ + EM(netfs_trace_tcon_ref_see_cancelled_close, "SEE Cn-Cls") \ + EM(netfs_trace_tcon_ref_see_fscache_collision, "SEE FV-CO!") \ + EM(netfs_trace_tcon_ref_see_fscache_okay, "SEE FV-Ok ") \ + EM(netfs_trace_tcon_ref_see_fscache_relinq, "SEE FV-Rlq") \ + E_(netfs_trace_tcon_ref_see_umount, "SEE Umount") + +#undef EM +#undef E_ + +/* + * Define those tracing enums. + */ +#ifndef __SMB3_DECLARE_TRACE_ENUMS_ONCE_ONLY +#define __SMB3_DECLARE_TRACE_ENUMS_ONCE_ONLY + +#define EM(a, b) a, +#define E_(a, b) a + +enum smb3_tcon_ref_trace { smb3_tcon_ref_traces } __mode(byte); + +#undef EM +#undef E_ +#endif + +/* + * Export enum symbols via userspace. + */ +#define EM(a, b) TRACE_DEFINE_ENUM(a); +#define E_(a, b) TRACE_DEFINE_ENUM(a); + +smb3_tcon_ref_traces; + +#undef EM +#undef E_ + +/* + * Now redefine the EM() and E_() macros to map the enums to the strings that + * will be printed in the output. + */ +#define EM(a, b) { a, b }, +#define E_(a, b) { a, b } /* For logging errors in read or write */ DECLARE_EVENT_CLASS(smb3_rw_err_class, + TP_PROTO(unsigned int rreq_debug_id, + unsigned int rreq_debug_index, + unsigned int xid, + __u64 fid, + __u32 tid, + __u64 sesid, + __u64 offset, + __u32 len, + int rc), + TP_ARGS(rreq_debug_id, rreq_debug_index, + xid, fid, tid, sesid, offset, len, rc), + TP_STRUCT__entry( + __field(unsigned int, rreq_debug_id) + __field(unsigned int, rreq_debug_index) + __field(unsigned int, xid) + __field(__u64, fid) + __field(__u32, tid) + __field(__u64, sesid) + __field(__u64, offset) + __field(__u32, len) + __field(int, rc) + ), + TP_fast_assign( + __entry->rreq_debug_id = rreq_debug_id; + __entry->rreq_debug_index = rreq_debug_index; + __entry->xid = xid; + __entry->fid = fid; + __entry->tid = tid; + __entry->sesid = sesid; + __entry->offset = offset; + __entry->len = len; + __entry->rc = rc; + ), + TP_printk("\tR=%08x[%x] xid=%u sid=0x%llx tid=0x%x fid=0x%llx offset=0x%llx len=0x%x rc=%d", + __entry->rreq_debug_id, __entry->rreq_debug_index, + __entry->xid, __entry->sesid, __entry->tid, __entry->fid, + __entry->offset, __entry->len, __entry->rc) +) + +#define DEFINE_SMB3_RW_ERR_EVENT(name) \ +DEFINE_EVENT(smb3_rw_err_class, smb3_##name, \ + TP_PROTO(unsigned int rreq_debug_id, \ + unsigned int rreq_debug_index, \ + unsigned int xid, \ + __u64 fid, \ + __u32 tid, \ + __u64 sesid, \ + __u64 offset, \ + __u32 len, \ + int rc), \ + TP_ARGS(rreq_debug_id, rreq_debug_index, xid, fid, tid, sesid, offset, len, rc)) + +DEFINE_SMB3_RW_ERR_EVENT(read_err); + +/* For logging errors in other file I/O ops */ +DECLARE_EVENT_CLASS(smb3_other_err_class, TP_PROTO(unsigned int xid, __u64 fid, __u32 tid, @@ -52,8 +172,8 @@ DECLARE_EVENT_CLASS(smb3_rw_err_class, __entry->offset, __entry->len, __entry->rc) ) -#define DEFINE_SMB3_RW_ERR_EVENT(name) \ -DEFINE_EVENT(smb3_rw_err_class, smb3_##name, \ +#define DEFINE_SMB3_OTHER_ERR_EVENT(name) \ +DEFINE_EVENT(smb3_other_err_class, smb3_##name, \ TP_PROTO(unsigned int xid, \ __u64 fid, \ __u32 tid, \ @@ -63,15 +183,67 @@ DEFINE_EVENT(smb3_rw_err_class, smb3_##name, \ int rc), \ TP_ARGS(xid, fid, tid, sesid, offset, len, rc)) -DEFINE_SMB3_RW_ERR_EVENT(write_err); -DEFINE_SMB3_RW_ERR_EVENT(read_err); -DEFINE_SMB3_RW_ERR_EVENT(query_dir_err); -DEFINE_SMB3_RW_ERR_EVENT(zero_err); -DEFINE_SMB3_RW_ERR_EVENT(falloc_err); +DEFINE_SMB3_OTHER_ERR_EVENT(write_err); +DEFINE_SMB3_OTHER_ERR_EVENT(query_dir_err); +DEFINE_SMB3_OTHER_ERR_EVENT(zero_err); +DEFINE_SMB3_OTHER_ERR_EVENT(falloc_err); /* For logging successful read or write */ DECLARE_EVENT_CLASS(smb3_rw_done_class, + TP_PROTO(unsigned int rreq_debug_id, + unsigned int rreq_debug_index, + unsigned int xid, + __u64 fid, + __u32 tid, + __u64 sesid, + __u64 offset, + __u32 len), + TP_ARGS(rreq_debug_id, rreq_debug_index, + xid, fid, tid, sesid, offset, len), + TP_STRUCT__entry( + __field(unsigned int, rreq_debug_id) + __field(unsigned int, rreq_debug_index) + __field(unsigned int, xid) + __field(__u64, fid) + __field(__u32, tid) + __field(__u64, sesid) + __field(__u64, offset) + __field(__u32, len) + ), + TP_fast_assign( + __entry->rreq_debug_id = rreq_debug_id; + __entry->rreq_debug_index = rreq_debug_index; + __entry->xid = xid; + __entry->fid = fid; + __entry->tid = tid; + __entry->sesid = sesid; + __entry->offset = offset; + __entry->len = len; + ), + TP_printk("R=%08x[%x] xid=%u sid=0x%llx tid=0x%x fid=0x%llx offset=0x%llx len=0x%x", + __entry->rreq_debug_id, __entry->rreq_debug_index, + __entry->xid, __entry->sesid, __entry->tid, __entry->fid, + __entry->offset, __entry->len) +) + +#define DEFINE_SMB3_RW_DONE_EVENT(name) \ +DEFINE_EVENT(smb3_rw_done_class, smb3_##name, \ + TP_PROTO(unsigned int rreq_debug_id, \ + unsigned int rreq_debug_index, \ + unsigned int xid, \ + __u64 fid, \ + __u32 tid, \ + __u64 sesid, \ + __u64 offset, \ + __u32 len), \ + TP_ARGS(rreq_debug_id, rreq_debug_index, xid, fid, tid, sesid, offset, len)) + +DEFINE_SMB3_RW_DONE_EVENT(read_enter); +DEFINE_SMB3_RW_DONE_EVENT(read_done); + +/* For logging successful other op */ +DECLARE_EVENT_CLASS(smb3_other_done_class, TP_PROTO(unsigned int xid, __u64 fid, __u32 tid, @@ -100,8 +272,8 @@ DECLARE_EVENT_CLASS(smb3_rw_done_class, __entry->offset, __entry->len) ) -#define DEFINE_SMB3_RW_DONE_EVENT(name) \ -DEFINE_EVENT(smb3_rw_done_class, smb3_##name, \ +#define DEFINE_SMB3_OTHER_DONE_EVENT(name) \ +DEFINE_EVENT(smb3_other_done_class, smb3_##name, \ TP_PROTO(unsigned int xid, \ __u64 fid, \ __u32 tid, \ @@ -110,16 +282,14 @@ DEFINE_EVENT(smb3_rw_done_class, smb3_##name, \ __u32 len), \ TP_ARGS(xid, fid, tid, sesid, offset, len)) -DEFINE_SMB3_RW_DONE_EVENT(write_enter); -DEFINE_SMB3_RW_DONE_EVENT(read_enter); -DEFINE_SMB3_RW_DONE_EVENT(query_dir_enter); -DEFINE_SMB3_RW_DONE_EVENT(zero_enter); -DEFINE_SMB3_RW_DONE_EVENT(falloc_enter); -DEFINE_SMB3_RW_DONE_EVENT(write_done); -DEFINE_SMB3_RW_DONE_EVENT(read_done); -DEFINE_SMB3_RW_DONE_EVENT(query_dir_done); -DEFINE_SMB3_RW_DONE_EVENT(zero_done); -DEFINE_SMB3_RW_DONE_EVENT(falloc_done); +DEFINE_SMB3_OTHER_DONE_EVENT(write_enter); +DEFINE_SMB3_OTHER_DONE_EVENT(query_dir_enter); +DEFINE_SMB3_OTHER_DONE_EVENT(zero_enter); +DEFINE_SMB3_OTHER_DONE_EVENT(falloc_enter); +DEFINE_SMB3_OTHER_DONE_EVENT(write_done); +DEFINE_SMB3_OTHER_DONE_EVENT(query_dir_done); +DEFINE_SMB3_OTHER_DONE_EVENT(zero_done); +DEFINE_SMB3_OTHER_DONE_EVENT(falloc_done); /* For logging successful set EOF (truncate) */ DECLARE_EVENT_CLASS(smb3_eof_class, @@ -375,6 +545,7 @@ DEFINE_SMB3_INF_COMPOUND_ENTER_EVENT(get_reparse_compound_enter); DEFINE_SMB3_INF_COMPOUND_ENTER_EVENT(delete_enter); DEFINE_SMB3_INF_COMPOUND_ENTER_EVENT(mkdir_enter); DEFINE_SMB3_INF_COMPOUND_ENTER_EVENT(tdis_enter); +DEFINE_SMB3_INF_COMPOUND_ENTER_EVENT(mknod_enter); DECLARE_EVENT_CLASS(smb3_inf_compound_done_class, TP_PROTO(unsigned int xid, @@ -415,7 +586,7 @@ DEFINE_SMB3_INF_COMPOUND_DONE_EVENT(query_wsl_ea_compound_done); DEFINE_SMB3_INF_COMPOUND_DONE_EVENT(delete_done); DEFINE_SMB3_INF_COMPOUND_DONE_EVENT(mkdir_done); DEFINE_SMB3_INF_COMPOUND_DONE_EVENT(tdis_done); - +DEFINE_SMB3_INF_COMPOUND_DONE_EVENT(mknod_done); DECLARE_EVENT_CLASS(smb3_inf_compound_err_class, TP_PROTO(unsigned int xid, @@ -461,6 +632,7 @@ DEFINE_SMB3_INF_COMPOUND_ERR_EVENT(query_wsl_ea_compound_err); DEFINE_SMB3_INF_COMPOUND_ERR_EVENT(mkdir_err); DEFINE_SMB3_INF_COMPOUND_ERR_EVENT(delete_err); DEFINE_SMB3_INF_COMPOUND_ERR_EVENT(tdis_err); +DEFINE_SMB3_INF_COMPOUND_ERR_EVENT(mknod_err); /* * For logging SMB3 Status code and Command for responses which return errors @@ -1123,6 +1295,30 @@ DEFINE_SMB3_CREDIT_EVENT(waitff_credits); DEFINE_SMB3_CREDIT_EVENT(overflow_credits); DEFINE_SMB3_CREDIT_EVENT(set_credits); + +TRACE_EVENT(smb3_tcon_ref, + TP_PROTO(unsigned int tcon_debug_id, int ref, + enum smb3_tcon_ref_trace trace), + TP_ARGS(tcon_debug_id, ref, trace), + TP_STRUCT__entry( + __field(unsigned int, tcon) + __field(int, ref) + __field(enum smb3_tcon_ref_trace, trace) + ), + TP_fast_assign( + __entry->tcon = tcon_debug_id; + __entry->ref = ref; + __entry->trace = trace; + ), + TP_printk("TC=%08x %s r=%u", + __entry->tcon, + __print_symbolic(__entry->trace, smb3_tcon_ref_traces), + __entry->ref) + ); + + +#undef EM +#undef E_ #endif /* _CIFS_TRACE_H */ #undef TRACE_INCLUDE_PATH |