diff options
author | David S. Miller <davem@davemloft.net> | 2010-05-31 16:46:45 +0400 |
---|---|---|
committer | David S. Miller <davem@davemloft.net> | 2010-05-31 16:46:45 +0400 |
commit | 64960848abd18d0bcde3f53ffa7ed0b631e6b25d (patch) | |
tree | 8424a1c550a98ce09f127425fde9b7b5f2f5027a /include/trace | |
parent | 2903037400a26e7c0cc93ab75a7d62abfacdf485 (diff) | |
parent | 67a3e12b05e055c0415c556a315a3d3eb637e29e (diff) | |
download | linux-64960848abd18d0bcde3f53ffa7ed0b631e6b25d.tar.xz |
Merge branch 'master' of /home/davem/src/GIT/linux-2.6/
Diffstat (limited to 'include/trace')
-rw-r--r-- | include/trace/events/ext4.h | 100 | ||||
-rw-r--r-- | include/trace/events/kvm.h | 1 | ||||
-rw-r--r-- | include/trace/events/scsi.h | 345 | ||||
-rw-r--r-- | include/trace/ftrace.h | 252 | ||||
-rw-r--r-- | include/trace/syscall.h | 10 |
5 files changed, 499 insertions, 209 deletions
diff --git a/include/trace/events/ext4.h b/include/trace/events/ext4.h index 2aa6aa3e8f61..f5b1ba90e952 100644 --- a/include/trace/events/ext4.h +++ b/include/trace/events/ext4.h @@ -353,7 +353,7 @@ TRACE_EVENT(ext4_discard_blocks, jbd2_dev_to_name(__entry->dev), __entry->blk, __entry->count) ); -TRACE_EVENT(ext4_mb_new_inode_pa, +DECLARE_EVENT_CLASS(ext4__mb_new_pa, TP_PROTO(struct ext4_allocation_context *ac, struct ext4_prealloc_space *pa), @@ -381,32 +381,20 @@ TRACE_EVENT(ext4_mb_new_inode_pa, __entry->pa_pstart, __entry->pa_len, __entry->pa_lstart) ); -TRACE_EVENT(ext4_mb_new_group_pa, +DEFINE_EVENT(ext4__mb_new_pa, ext4_mb_new_inode_pa, + TP_PROTO(struct ext4_allocation_context *ac, struct ext4_prealloc_space *pa), - TP_ARGS(ac, pa), - - TP_STRUCT__entry( - __field( dev_t, dev ) - __field( ino_t, ino ) - __field( __u64, pa_pstart ) - __field( __u32, pa_len ) - __field( __u64, pa_lstart ) + TP_ARGS(ac, pa) +); - ), +DEFINE_EVENT(ext4__mb_new_pa, ext4_mb_new_group_pa, - TP_fast_assign( - __entry->dev = ac->ac_sb->s_dev; - __entry->ino = ac->ac_inode->i_ino; - __entry->pa_pstart = pa->pa_pstart; - __entry->pa_len = pa->pa_len; - __entry->pa_lstart = pa->pa_lstart; - ), + TP_PROTO(struct ext4_allocation_context *ac, + struct ext4_prealloc_space *pa), - TP_printk("dev %s ino %lu pstart %llu len %u lstart %llu", - jbd2_dev_to_name(__entry->dev), (unsigned long) __entry->ino, - __entry->pa_pstart, __entry->pa_len, __entry->pa_lstart) + TP_ARGS(ac, pa) ); TRACE_EVENT(ext4_mb_release_inode_pa, @@ -618,9 +606,9 @@ TRACE_EVENT(ext4_free_blocks, ); TRACE_EVENT(ext4_sync_file, - TP_PROTO(struct file *file, struct dentry *dentry, int datasync), + TP_PROTO(struct file *file, int datasync), - TP_ARGS(file, dentry, datasync), + TP_ARGS(file, datasync), TP_STRUCT__entry( __field( dev_t, dev ) @@ -630,6 +618,8 @@ TRACE_EVENT(ext4_sync_file, ), TP_fast_assign( + struct dentry *dentry = file->f_path.dentry; + __entry->dev = dentry->d_inode->i_sb->s_dev; __entry->ino = dentry->d_inode->i_ino; __entry->datasync = datasync; @@ -790,7 +780,7 @@ TRACE_EVENT(ext4_mballoc_prealloc, __entry->result_len, __entry->result_logical) ); -TRACE_EVENT(ext4_mballoc_discard, +DECLARE_EVENT_CLASS(ext4__mballoc, TP_PROTO(struct ext4_allocation_context *ac), TP_ARGS(ac), @@ -819,33 +809,18 @@ TRACE_EVENT(ext4_mballoc_discard, __entry->result_len, __entry->result_logical) ); -TRACE_EVENT(ext4_mballoc_free, +DEFINE_EVENT(ext4__mballoc, ext4_mballoc_discard, + TP_PROTO(struct ext4_allocation_context *ac), - TP_ARGS(ac), + TP_ARGS(ac) +); - TP_STRUCT__entry( - __field( dev_t, dev ) - __field( ino_t, ino ) - __field( __u32, result_logical ) - __field( int, result_start ) - __field( __u32, result_group ) - __field( int, result_len ) - ), +DEFINE_EVENT(ext4__mballoc, ext4_mballoc_free, - TP_fast_assign( - __entry->dev = ac->ac_inode->i_sb->s_dev; - __entry->ino = ac->ac_inode->i_ino; - __entry->result_logical = ac->ac_b_ex.fe_logical; - __entry->result_start = ac->ac_b_ex.fe_start; - __entry->result_group = ac->ac_b_ex.fe_group; - __entry->result_len = ac->ac_b_ex.fe_len; - ), + TP_PROTO(struct ext4_allocation_context *ac), - TP_printk("dev %s inode %lu extent %u/%d/%u@%u ", - jbd2_dev_to_name(__entry->dev), (unsigned long) __entry->ino, - __entry->result_group, __entry->result_start, - __entry->result_len, __entry->result_logical) + TP_ARGS(ac) ); TRACE_EVENT(ext4_forget, @@ -974,6 +949,39 @@ TRACE_EVENT(ext4_da_release_space, __entry->reserved_meta_blocks, __entry->allocated_meta_blocks) ); +DECLARE_EVENT_CLASS(ext4__bitmap_load, + TP_PROTO(struct super_block *sb, unsigned long group), + + TP_ARGS(sb, group), + + TP_STRUCT__entry( + __field( dev_t, dev ) + __field( __u32, group ) + + ), + + TP_fast_assign( + __entry->dev = sb->s_dev; + __entry->group = group; + ), + + TP_printk("dev %s group %u", + jbd2_dev_to_name(__entry->dev), __entry->group) +); + +DEFINE_EVENT(ext4__bitmap_load, ext4_mb_bitmap_load, + + TP_PROTO(struct super_block *sb, unsigned long group), + + TP_ARGS(sb, group) +); + +DEFINE_EVENT(ext4__bitmap_load, ext4_mb_buddy_bitmap_load, + + TP_PROTO(struct super_block *sb, unsigned long group), + + TP_ARGS(sb, group) +); #endif /* _TRACE_EXT4_H */ diff --git a/include/trace/events/kvm.h b/include/trace/events/kvm.h index b17d49dfc3ef..6dd3a51ab1cb 100644 --- a/include/trace/events/kvm.h +++ b/include/trace/events/kvm.h @@ -5,7 +5,6 @@ #undef TRACE_SYSTEM #define TRACE_SYSTEM kvm -#define TRACE_INCLUDE_FILE kvm #if defined(__KVM_HAVE_IOAPIC) TRACE_EVENT(kvm_set_irq, diff --git a/include/trace/events/scsi.h b/include/trace/events/scsi.h new file mode 100644 index 000000000000..25fbefdf2f2e --- /dev/null +++ b/include/trace/events/scsi.h @@ -0,0 +1,345 @@ +#undef TRACE_SYSTEM +#define TRACE_SYSTEM scsi + +#if !defined(_TRACE_SCSI_H) || defined(TRACE_HEADER_MULTI_READ) +#define _TRACE_SCSI_H + +#include <scsi/scsi_cmnd.h> +#include <scsi/scsi_host.h> +#include <linux/tracepoint.h> +#include <linux/trace_seq.h> + +#define scsi_opcode_name(opcode) { opcode, #opcode } +#define show_opcode_name(val) \ + __print_symbolic(val, \ + scsi_opcode_name(TEST_UNIT_READY), \ + scsi_opcode_name(REZERO_UNIT), \ + scsi_opcode_name(REQUEST_SENSE), \ + scsi_opcode_name(FORMAT_UNIT), \ + scsi_opcode_name(READ_BLOCK_LIMITS), \ + scsi_opcode_name(REASSIGN_BLOCKS), \ + scsi_opcode_name(INITIALIZE_ELEMENT_STATUS), \ + scsi_opcode_name(READ_6), \ + scsi_opcode_name(WRITE_6), \ + scsi_opcode_name(SEEK_6), \ + scsi_opcode_name(READ_REVERSE), \ + scsi_opcode_name(WRITE_FILEMARKS), \ + scsi_opcode_name(SPACE), \ + scsi_opcode_name(INQUIRY), \ + scsi_opcode_name(RECOVER_BUFFERED_DATA), \ + scsi_opcode_name(MODE_SELECT), \ + scsi_opcode_name(RESERVE), \ + scsi_opcode_name(RELEASE), \ + scsi_opcode_name(COPY), \ + scsi_opcode_name(ERASE), \ + scsi_opcode_name(MODE_SENSE), \ + scsi_opcode_name(START_STOP), \ + scsi_opcode_name(RECEIVE_DIAGNOSTIC), \ + scsi_opcode_name(SEND_DIAGNOSTIC), \ + scsi_opcode_name(ALLOW_MEDIUM_REMOVAL), \ + scsi_opcode_name(SET_WINDOW), \ + scsi_opcode_name(READ_CAPACITY), \ + scsi_opcode_name(READ_10), \ + scsi_opcode_name(WRITE_10), \ + scsi_opcode_name(SEEK_10), \ + scsi_opcode_name(POSITION_TO_ELEMENT), \ + scsi_opcode_name(WRITE_VERIFY), \ + scsi_opcode_name(VERIFY), \ + scsi_opcode_name(SEARCH_HIGH), \ + scsi_opcode_name(SEARCH_EQUAL), \ + scsi_opcode_name(SEARCH_LOW), \ + scsi_opcode_name(SET_LIMITS), \ + scsi_opcode_name(PRE_FETCH), \ + scsi_opcode_name(READ_POSITION), \ + scsi_opcode_name(SYNCHRONIZE_CACHE), \ + scsi_opcode_name(LOCK_UNLOCK_CACHE), \ + scsi_opcode_name(READ_DEFECT_DATA), \ + scsi_opcode_name(MEDIUM_SCAN), \ + scsi_opcode_name(COMPARE), \ + scsi_opcode_name(COPY_VERIFY), \ + scsi_opcode_name(WRITE_BUFFER), \ + scsi_opcode_name(READ_BUFFER), \ + scsi_opcode_name(UPDATE_BLOCK), \ + scsi_opcode_name(READ_LONG), \ + scsi_opcode_name(WRITE_LONG), \ + scsi_opcode_name(CHANGE_DEFINITION), \ + scsi_opcode_name(WRITE_SAME), \ + scsi_opcode_name(UNMAP), \ + scsi_opcode_name(READ_TOC), \ + scsi_opcode_name(LOG_SELECT), \ + scsi_opcode_name(LOG_SENSE), \ + scsi_opcode_name(XDWRITEREAD_10), \ + scsi_opcode_name(MODE_SELECT_10), \ + scsi_opcode_name(RESERVE_10), \ + scsi_opcode_name(RELEASE_10), \ + scsi_opcode_name(MODE_SENSE_10), \ + scsi_opcode_name(PERSISTENT_RESERVE_IN), \ + scsi_opcode_name(PERSISTENT_RESERVE_OUT), \ + scsi_opcode_name(VARIABLE_LENGTH_CMD), \ + scsi_opcode_name(REPORT_LUNS), \ + scsi_opcode_name(MAINTENANCE_IN), \ + scsi_opcode_name(MAINTENANCE_OUT), \ + scsi_opcode_name(MOVE_MEDIUM), \ + scsi_opcode_name(EXCHANGE_MEDIUM), \ + scsi_opcode_name(READ_12), \ + scsi_opcode_name(WRITE_12), \ + scsi_opcode_name(WRITE_VERIFY_12), \ + scsi_opcode_name(SEARCH_HIGH_12), \ + scsi_opcode_name(SEARCH_EQUAL_12), \ + scsi_opcode_name(SEARCH_LOW_12), \ + scsi_opcode_name(READ_ELEMENT_STATUS), \ + scsi_opcode_name(SEND_VOLUME_TAG), \ + scsi_opcode_name(WRITE_LONG_2), \ + scsi_opcode_name(READ_16), \ + scsi_opcode_name(WRITE_16), \ + scsi_opcode_name(VERIFY_16), \ + scsi_opcode_name(WRITE_SAME_16), \ + scsi_opcode_name(SERVICE_ACTION_IN), \ + scsi_opcode_name(SAI_READ_CAPACITY_16), \ + scsi_opcode_name(SAI_GET_LBA_STATUS), \ + scsi_opcode_name(MI_REPORT_TARGET_PGS), \ + scsi_opcode_name(MO_SET_TARGET_PGS), \ + scsi_opcode_name(READ_32), \ + scsi_opcode_name(WRITE_32), \ + scsi_opcode_name(WRITE_SAME_32), \ + scsi_opcode_name(ATA_16), \ + scsi_opcode_name(ATA_12)) + +#define scsi_hostbyte_name(result) { result, #result } +#define show_hostbyte_name(val) \ + __print_symbolic(val, \ + scsi_hostbyte_name(DID_OK), \ + scsi_hostbyte_name(DID_NO_CONNECT), \ + scsi_hostbyte_name(DID_BUS_BUSY), \ + scsi_hostbyte_name(DID_TIME_OUT), \ + scsi_hostbyte_name(DID_BAD_TARGET), \ + scsi_hostbyte_name(DID_ABORT), \ + scsi_hostbyte_name(DID_PARITY), \ + scsi_hostbyte_name(DID_ERROR), \ + scsi_hostbyte_name(DID_RESET), \ + scsi_hostbyte_name(DID_BAD_INTR), \ + scsi_hostbyte_name(DID_PASSTHROUGH), \ + scsi_hostbyte_name(DID_SOFT_ERROR), \ + scsi_hostbyte_name(DID_IMM_RETRY), \ + scsi_hostbyte_name(DID_REQUEUE), \ + scsi_hostbyte_name(DID_TRANSPORT_DISRUPTED), \ + scsi_hostbyte_name(DID_TRANSPORT_FAILFAST)) + +#define scsi_driverbyte_name(result) { result, #result } +#define show_driverbyte_name(val) \ + __print_symbolic(val, \ + scsi_driverbyte_name(DRIVER_OK), \ + scsi_driverbyte_name(DRIVER_BUSY), \ + scsi_driverbyte_name(DRIVER_SOFT), \ + scsi_driverbyte_name(DRIVER_MEDIA), \ + scsi_driverbyte_name(DRIVER_ERROR), \ + scsi_driverbyte_name(DRIVER_INVALID), \ + scsi_driverbyte_name(DRIVER_TIMEOUT), \ + scsi_driverbyte_name(DRIVER_HARD), \ + scsi_driverbyte_name(DRIVER_SENSE)) + +#define scsi_msgbyte_name(result) { result, #result } +#define show_msgbyte_name(val) \ + __print_symbolic(val, \ + scsi_msgbyte_name(COMMAND_COMPLETE), \ + scsi_msgbyte_name(EXTENDED_MESSAGE), \ + scsi_msgbyte_name(SAVE_POINTERS), \ + scsi_msgbyte_name(RESTORE_POINTERS), \ + scsi_msgbyte_name(DISCONNECT), \ + scsi_msgbyte_name(INITIATOR_ERROR), \ + scsi_msgbyte_name(ABORT_TASK_SET), \ + scsi_msgbyte_name(MESSAGE_REJECT), \ + scsi_msgbyte_name(NOP), \ + scsi_msgbyte_name(MSG_PARITY_ERROR), \ + scsi_msgbyte_name(LINKED_CMD_COMPLETE), \ + scsi_msgbyte_name(LINKED_FLG_CMD_COMPLETE), \ + scsi_msgbyte_name(TARGET_RESET), \ + scsi_msgbyte_name(ABORT_TASK), \ + scsi_msgbyte_name(CLEAR_TASK_SET), \ + scsi_msgbyte_name(INITIATE_RECOVERY), \ + scsi_msgbyte_name(RELEASE_RECOVERY), \ + scsi_msgbyte_name(CLEAR_ACA), \ + scsi_msgbyte_name(LOGICAL_UNIT_RESET), \ + scsi_msgbyte_name(SIMPLE_QUEUE_TAG), \ + scsi_msgbyte_name(HEAD_OF_QUEUE_TAG), \ + scsi_msgbyte_name(ORDERED_QUEUE_TAG), \ + scsi_msgbyte_name(IGNORE_WIDE_RESIDUE), \ + scsi_msgbyte_name(ACA), \ + scsi_msgbyte_name(QAS_REQUEST), \ + scsi_msgbyte_name(BUS_DEVICE_RESET), \ + scsi_msgbyte_name(ABORT)) + +#define scsi_statusbyte_name(result) { result, #result } +#define show_statusbyte_name(val) \ + __print_symbolic(val, \ + scsi_statusbyte_name(SAM_STAT_GOOD), \ + scsi_statusbyte_name(SAM_STAT_CHECK_CONDITION), \ + scsi_statusbyte_name(SAM_STAT_CONDITION_MET), \ + scsi_statusbyte_name(SAM_STAT_BUSY), \ + scsi_statusbyte_name(SAM_STAT_INTERMEDIATE), \ + scsi_statusbyte_name(SAM_STAT_INTERMEDIATE_CONDITION_MET), \ + scsi_statusbyte_name(SAM_STAT_RESERVATION_CONFLICT), \ + scsi_statusbyte_name(SAM_STAT_COMMAND_TERMINATED), \ + scsi_statusbyte_name(SAM_STAT_TASK_SET_FULL), \ + scsi_statusbyte_name(SAM_STAT_ACA_ACTIVE), \ + scsi_statusbyte_name(SAM_STAT_TASK_ABORTED)) + +const char *scsi_trace_parse_cdb(struct trace_seq*, unsigned char*, int); +#define __parse_cdb(cdb, len) scsi_trace_parse_cdb(p, cdb, len) + +TRACE_EVENT(scsi_dispatch_cmd_start, + + TP_PROTO(struct scsi_cmnd *cmd), + + TP_ARGS(cmd), + + TP_STRUCT__entry( + __field( unsigned int, host_no ) + __field( unsigned int, channel ) + __field( unsigned int, id ) + __field( unsigned int, lun ) + __field( unsigned int, opcode ) + __field( unsigned int, cmd_len ) + __field( unsigned int, data_sglen ) + __field( unsigned int, prot_sglen ) + __dynamic_array(unsigned char, cmnd, cmd->cmd_len) + ), + + TP_fast_assign( + __entry->host_no = cmd->device->host->host_no; + __entry->channel = cmd->device->channel; + __entry->id = cmd->device->id; + __entry->lun = cmd->device->lun; + __entry->opcode = cmd->cmnd[0]; + __entry->cmd_len = cmd->cmd_len; + __entry->data_sglen = scsi_sg_count(cmd); + __entry->prot_sglen = scsi_prot_sg_count(cmd); + memcpy(__get_dynamic_array(cmnd), cmd->cmnd, cmd->cmd_len); + ), + + TP_printk("host_no=%u channel=%u id=%u lun=%u data_sgl=%u prot_sgl=%u" \ + " cmnd=(%s %s raw=%s)", + __entry->host_no, __entry->channel, __entry->id, + __entry->lun, __entry->data_sglen, __entry->prot_sglen, + show_opcode_name(__entry->opcode), + __parse_cdb(__get_dynamic_array(cmnd), __entry->cmd_len), + __print_hex(__get_dynamic_array(cmnd), __entry->cmd_len)) +); + +TRACE_EVENT(scsi_dispatch_cmd_error, + + TP_PROTO(struct scsi_cmnd *cmd, int rtn), + + TP_ARGS(cmd, rtn), + + TP_STRUCT__entry( + __field( unsigned int, host_no ) + __field( unsigned int, channel ) + __field( unsigned int, id ) + __field( unsigned int, lun ) + __field( int, rtn ) + __field( unsigned int, opcode ) + __field( unsigned int, cmd_len ) + __field( unsigned int, data_sglen ) + __field( unsigned int, prot_sglen ) + __dynamic_array(unsigned char, cmnd, cmd->cmd_len) + ), + + TP_fast_assign( + __entry->host_no = cmd->device->host->host_no; + __entry->channel = cmd->device->channel; + __entry->id = cmd->device->id; + __entry->lun = cmd->device->lun; + __entry->rtn = rtn; + __entry->opcode = cmd->cmnd[0]; + __entry->cmd_len = cmd->cmd_len; + __entry->data_sglen = scsi_sg_count(cmd); + __entry->prot_sglen = scsi_prot_sg_count(cmd); + memcpy(__get_dynamic_array(cmnd), cmd->cmnd, cmd->cmd_len); + ), + + TP_printk("host_no=%u channel=%u id=%u lun=%u data_sgl=%u prot_sgl=%u" \ + " cmnd=(%s %s raw=%s) rtn=%d", + __entry->host_no, __entry->channel, __entry->id, + __entry->lun, __entry->data_sglen, __entry->prot_sglen, + show_opcode_name(__entry->opcode), + __parse_cdb(__get_dynamic_array(cmnd), __entry->cmd_len), + __print_hex(__get_dynamic_array(cmnd), __entry->cmd_len), + __entry->rtn) +); + +DECLARE_EVENT_CLASS(scsi_cmd_done_timeout_template, + + TP_PROTO(struct scsi_cmnd *cmd), + + TP_ARGS(cmd), + + TP_STRUCT__entry( + __field( unsigned int, host_no ) + __field( unsigned int, channel ) + __field( unsigned int, id ) + __field( unsigned int, lun ) + __field( int, result ) + __field( unsigned int, opcode ) + __field( unsigned int, cmd_len ) + __field( unsigned int, data_sglen ) + __field( unsigned int, prot_sglen ) + __dynamic_array(unsigned char, cmnd, cmd->cmd_len) + ), + + TP_fast_assign( + __entry->host_no = cmd->device->host->host_no; + __entry->channel = cmd->device->channel; + __entry->id = cmd->device->id; + __entry->lun = cmd->device->lun; + __entry->result = cmd->result; + __entry->opcode = cmd->cmnd[0]; + __entry->cmd_len = cmd->cmd_len; + __entry->data_sglen = scsi_sg_count(cmd); + __entry->prot_sglen = scsi_prot_sg_count(cmd); + memcpy(__get_dynamic_array(cmnd), cmd->cmnd, cmd->cmd_len); + ), + + TP_printk("host_no=%u channel=%u id=%u lun=%u data_sgl=%u " \ + "prot_sgl=%u cmnd=(%s %s raw=%s) result=(driver=%s host=%s " \ + "message=%s status=%s)", + __entry->host_no, __entry->channel, __entry->id, + __entry->lun, __entry->data_sglen, __entry->prot_sglen, + show_opcode_name(__entry->opcode), + __parse_cdb(__get_dynamic_array(cmnd), __entry->cmd_len), + __print_hex(__get_dynamic_array(cmnd), __entry->cmd_len), + show_driverbyte_name(((__entry->result) >> 24) & 0xff), + show_hostbyte_name(((__entry->result) >> 16) & 0xff), + show_msgbyte_name(((__entry->result) >> 8) & 0xff), + show_statusbyte_name(__entry->result & 0xff)) +); + +DEFINE_EVENT(scsi_cmd_done_timeout_template, scsi_dispatch_cmd_done, + TP_PROTO(struct scsi_cmnd *cmd), + TP_ARGS(cmd)); + +DEFINE_EVENT(scsi_cmd_done_timeout_template, scsi_dispatch_cmd_timeout, + TP_PROTO(struct scsi_cmnd *cmd), + TP_ARGS(cmd)); + +TRACE_EVENT(scsi_eh_wakeup, + + TP_PROTO(struct Scsi_Host *shost), + + TP_ARGS(shost), + + TP_STRUCT__entry( + __field( unsigned int, host_no ) + ), + + TP_fast_assign( + __entry->host_no = shost->host_no; + ), + + TP_printk("host_no=%u", __entry->host_no) +); + +#endif /* _TRACE_SCSI_H */ + +/* This part must be outside protection */ +#include <trace/define_trace.h> diff --git a/include/trace/ftrace.h b/include/trace/ftrace.h index 16253db38d73..3d685d1f2a03 100644 --- a/include/trace/ftrace.h +++ b/include/trace/ftrace.h @@ -62,10 +62,13 @@ struct trace_entry ent; \ tstruct \ char __data[0]; \ - }; + }; \ + \ + static struct ftrace_event_class event_class_##name; + #undef DEFINE_EVENT #define DEFINE_EVENT(template, name, proto, args) \ - static struct ftrace_event_call \ + static struct ftrace_event_call __used \ __attribute__((__aligned__(4))) event_##name #undef DEFINE_EVENT_PRINT @@ -147,7 +150,7 @@ * * entry = iter->ent; * - * if (entry->type != event_<call>.id) { + * if (entry->type != event_<call>->event.type) { * WARN_ON_ONCE(1); * return TRACE_TYPE_UNHANDLED; * } @@ -200,21 +203,28 @@ ftrace_print_symbols_seq(p, value, symbols); \ }) +#undef __print_hex +#define __print_hex(buf, buf_len) ftrace_print_hex_seq(p, buf, buf_len) + #undef DECLARE_EVENT_CLASS #define DECLARE_EVENT_CLASS(call, proto, args, tstruct, assign, print) \ static notrace enum print_line_t \ -ftrace_raw_output_id_##call(int event_id, const char *name, \ - struct trace_iterator *iter, int flags) \ +ftrace_raw_output_##call(struct trace_iterator *iter, int flags, \ + struct trace_event *trace_event) \ { \ + struct ftrace_event_call *event; \ struct trace_seq *s = &iter->seq; \ struct ftrace_raw_##call *field; \ struct trace_entry *entry; \ struct trace_seq *p; \ int ret; \ \ + event = container_of(trace_event, struct ftrace_event_call, \ + event); \ + \ entry = iter->ent; \ \ - if (entry->type != event_id) { \ + if (entry->type != event->event.type) { \ WARN_ON_ONCE(1); \ return TRACE_TYPE_UNHANDLED; \ } \ @@ -223,7 +233,7 @@ ftrace_raw_output_id_##call(int event_id, const char *name, \ \ p = &get_cpu_var(ftrace_event_seq); \ trace_seq_init(p); \ - ret = trace_seq_printf(s, "%s: ", name); \ + ret = trace_seq_printf(s, "%s: ", event->name); \ if (ret) \ ret = trace_seq_printf(s, print); \ put_cpu(); \ @@ -231,21 +241,16 @@ ftrace_raw_output_id_##call(int event_id, const char *name, \ return TRACE_TYPE_PARTIAL_LINE; \ \ return TRACE_TYPE_HANDLED; \ -} - -#undef DEFINE_EVENT -#define DEFINE_EVENT(template, name, proto, args) \ -static notrace enum print_line_t \ -ftrace_raw_output_##name(struct trace_iterator *iter, int flags) \ -{ \ - return ftrace_raw_output_id_##template(event_##name.id, \ - #name, iter, flags); \ -} +} \ +static struct trace_event_functions ftrace_event_type_funcs_##call = { \ + .trace = ftrace_raw_output_##call, \ +}; #undef DEFINE_EVENT_PRINT #define DEFINE_EVENT_PRINT(template, call, proto, args, print) \ static notrace enum print_line_t \ -ftrace_raw_output_##call(struct trace_iterator *iter, int flags) \ +ftrace_raw_output_##call(struct trace_iterator *iter, int flags, \ + struct trace_event *event) \ { \ struct trace_seq *s = &iter->seq; \ struct ftrace_raw_##template *field; \ @@ -255,7 +260,7 @@ ftrace_raw_output_##call(struct trace_iterator *iter, int flags) \ \ entry = iter->ent; \ \ - if (entry->type != event_##call.id) { \ + if (entry->type != event_##call.event.type) { \ WARN_ON_ONCE(1); \ return TRACE_TYPE_UNHANDLED; \ } \ @@ -272,7 +277,10 @@ ftrace_raw_output_##call(struct trace_iterator *iter, int flags) \ return TRACE_TYPE_PARTIAL_LINE; \ \ return TRACE_TYPE_HANDLED; \ -} +} \ +static struct trace_event_functions ftrace_event_type_funcs_##call = { \ + .trace = ftrace_raw_output_##call, \ +}; #include TRACE_INCLUDE(TRACE_INCLUDE_FILE) @@ -378,80 +386,18 @@ static inline notrace int ftrace_get_offsets_##call( \ #include TRACE_INCLUDE(TRACE_INCLUDE_FILE) -#ifdef CONFIG_PERF_EVENTS - -/* - * Generate the functions needed for tracepoint perf_event support. - * - * NOTE: The insertion profile callback (ftrace_profile_<call>) is defined later - * - * static int ftrace_profile_enable_<call>(void) - * { - * return register_trace_<call>(ftrace_profile_<call>); - * } - * - * static void ftrace_profile_disable_<call>(void) - * { - * unregister_trace_<call>(ftrace_profile_<call>); - * } - * - */ - -#undef DECLARE_EVENT_CLASS -#define DECLARE_EVENT_CLASS(call, proto, args, tstruct, assign, print) - -#undef DEFINE_EVENT -#define DEFINE_EVENT(template, name, proto, args) \ - \ -static void perf_trace_##name(proto); \ - \ -static notrace int \ -perf_trace_enable_##name(struct ftrace_event_call *unused) \ -{ \ - return register_trace_##name(perf_trace_##name); \ -} \ - \ -static notrace void \ -perf_trace_disable_##name(struct ftrace_event_call *unused) \ -{ \ - unregister_trace_##name(perf_trace_##name); \ -} - -#undef DEFINE_EVENT_PRINT -#define DEFINE_EVENT_PRINT(template, name, proto, args, print) \ - DEFINE_EVENT(template, name, PARAMS(proto), PARAMS(args)) - -#include TRACE_INCLUDE(TRACE_INCLUDE_FILE) - -#endif /* CONFIG_PERF_EVENTS */ - /* * Stage 4 of the trace events. * * Override the macros in <trace/trace_events.h> to include the following: * - * static void ftrace_event_<call>(proto) - * { - * event_trace_printk(_RET_IP_, "<call>: " <fmt>); - * } - * - * static int ftrace_reg_event_<call>(struct ftrace_event_call *unused) - * { - * return register_trace_<call>(ftrace_event_<call>); - * } - * - * static void ftrace_unreg_event_<call>(struct ftrace_event_call *unused) - * { - * unregister_trace_<call>(ftrace_event_<call>); - * } - * - * * For those macros defined with TRACE_EVENT: * * static struct ftrace_event_call event_<call>; * - * static void ftrace_raw_event_<call>(proto) + * static void ftrace_raw_event_<call>(void *__data, proto) * { + * struct ftrace_event_call *event_call = __data; * struct ftrace_data_offsets_<call> __maybe_unused __data_offsets; * struct ring_buffer_event *event; * struct ftrace_raw_<call> *entry; <-- defined in stage 1 @@ -466,7 +412,7 @@ perf_trace_disable_##name(struct ftrace_event_call *unused) \ * __data_size = ftrace_get_offsets_<call>(&__data_offsets, args); * * event = trace_current_buffer_lock_reserve(&buffer, - * event_<call>.id, + * event_<call>->event.type, * sizeof(*entry) + __data_size, * irq_flags, pc); * if (!event) @@ -481,43 +427,42 @@ perf_trace_disable_##name(struct ftrace_event_call *unused) \ * event, irq_flags, pc); * } * - * static int ftrace_raw_reg_event_<call>(struct ftrace_event_call *unused) - * { - * return register_trace_<call>(ftrace_raw_event_<call>); - * } - * - * static void ftrace_unreg_event_<call>(struct ftrace_event_call *unused) - * { - * unregister_trace_<call>(ftrace_raw_event_<call>); - * } - * * static struct trace_event ftrace_event_type_<call> = { * .trace = ftrace_raw_output_<call>, <-- stage 2 * }; * * static const char print_fmt_<call>[] = <TP_printk>; * + * static struct ftrace_event_class __used event_class_<template> = { + * .system = "<system>", + * .define_fields = ftrace_define_fields_<call>, + * .fields = LIST_HEAD_INIT(event_class_##call.fields), + * .raw_init = trace_event_raw_init, + * .probe = ftrace_raw_event_##call, + * }; + * * static struct ftrace_event_call __used * __attribute__((__aligned__(4))) * __attribute__((section("_ftrace_events"))) event_<call> = { * .name = "<call>", - * .system = "<system>", - * .raw_init = trace_event_raw_init, - * .regfunc = ftrace_reg_event_<call>, - * .unregfunc = ftrace_unreg_event_<call>, + * .class = event_class_<template>, + * .event = &ftrace_event_type_<call>, * .print_fmt = print_fmt_<call>, - * .define_fields = ftrace_define_fields_<call>, - * } + * }; * */ #ifdef CONFIG_PERF_EVENTS +#define _TRACE_PERF_PROTO(call, proto) \ + static notrace void \ + perf_trace_##call(void *__data, proto); + #define _TRACE_PERF_INIT(call) \ - .perf_event_enable = perf_trace_enable_##call, \ - .perf_event_disable = perf_trace_disable_##call, + .perf_probe = perf_trace_##call, #else +#define _TRACE_PERF_PROTO(call, proto) #define _TRACE_PERF_INIT(call) #endif /* CONFIG_PERF_EVENTS */ @@ -551,9 +496,9 @@ perf_trace_disable_##name(struct ftrace_event_call *unused) \ #define DECLARE_EVENT_CLASS(call, proto, args, tstruct, assign, print) \ \ static notrace void \ -ftrace_raw_event_id_##call(struct ftrace_event_call *event_call, \ - proto) \ +ftrace_raw_event_##call(void *__data, proto) \ { \ + struct ftrace_event_call *event_call = __data; \ struct ftrace_data_offsets_##call __maybe_unused __data_offsets;\ struct ring_buffer_event *event; \ struct ftrace_raw_##call *entry; \ @@ -568,7 +513,7 @@ ftrace_raw_event_id_##call(struct ftrace_event_call *event_call, \ __data_size = ftrace_get_offsets_##call(&__data_offsets, args); \ \ event = trace_current_buffer_lock_reserve(&buffer, \ - event_call->id, \ + event_call->event.type, \ sizeof(*entry) + __data_size, \ irq_flags, pc); \ if (!event) \ @@ -583,34 +528,21 @@ ftrace_raw_event_id_##call(struct ftrace_event_call *event_call, \ trace_nowake_buffer_unlock_commit(buffer, \ event, irq_flags, pc); \ } +/* + * The ftrace_test_probe is compiled out, it is only here as a build time check + * to make sure that if the tracepoint handling changes, the ftrace probe will + * fail to compile unless it too is updated. + */ #undef DEFINE_EVENT #define DEFINE_EVENT(template, call, proto, args) \ - \ -static notrace void ftrace_raw_event_##call(proto) \ -{ \ - ftrace_raw_event_id_##template(&event_##call, args); \ -} \ - \ -static notrace int \ -ftrace_raw_reg_event_##call(struct ftrace_event_call *unused) \ +static inline void ftrace_test_probe_##call(void) \ { \ - return register_trace_##call(ftrace_raw_event_##call); \ -} \ - \ -static notrace void \ -ftrace_raw_unreg_event_##call(struct ftrace_event_call *unused) \ -{ \ - unregister_trace_##call(ftrace_raw_event_##call); \ -} \ - \ -static struct trace_event ftrace_event_type_##call = { \ - .trace = ftrace_raw_output_##call, \ -}; + check_trace_callback_type_##call(ftrace_raw_event_##template); \ +} #undef DEFINE_EVENT_PRINT -#define DEFINE_EVENT_PRINT(template, name, proto, args, print) \ - DEFINE_EVENT(template, name, PARAMS(proto), PARAMS(args)) +#define DEFINE_EVENT_PRINT(template, name, proto, args, print) #include TRACE_INCLUDE(TRACE_INCLUDE_FILE) @@ -627,7 +559,16 @@ static struct trace_event ftrace_event_type_##call = { \ #undef DECLARE_EVENT_CLASS #define DECLARE_EVENT_CLASS(call, proto, args, tstruct, assign, print) \ -static const char print_fmt_##call[] = print; +_TRACE_PERF_PROTO(call, PARAMS(proto)); \ +static const char print_fmt_##call[] = print; \ +static struct ftrace_event_class __used event_class_##call = { \ + .system = __stringify(TRACE_SYSTEM), \ + .define_fields = ftrace_define_fields_##call, \ + .fields = LIST_HEAD_INIT(event_class_##call.fields),\ + .raw_init = trace_event_raw_init, \ + .probe = ftrace_raw_event_##call, \ + _TRACE_PERF_INIT(call) \ +}; #undef DEFINE_EVENT #define DEFINE_EVENT(template, call, proto, args) \ @@ -636,15 +577,10 @@ static struct ftrace_event_call __used \ __attribute__((__aligned__(4))) \ __attribute__((section("_ftrace_events"))) event_##call = { \ .name = #call, \ - .system = __stringify(TRACE_SYSTEM), \ - .event = &ftrace_event_type_##call, \ - .raw_init = trace_event_raw_init, \ - .regfunc = ftrace_raw_reg_event_##call, \ - .unregfunc = ftrace_raw_unreg_event_##call, \ + .class = &event_class_##template, \ + .event.funcs = &ftrace_event_type_funcs_##template, \ .print_fmt = print_fmt_##template, \ - .define_fields = ftrace_define_fields_##template, \ - _TRACE_PERF_INIT(call) \ -} +}; #undef DEFINE_EVENT_PRINT #define DEFINE_EVENT_PRINT(template, call, proto, args, print) \ @@ -655,14 +591,9 @@ static struct ftrace_event_call __used \ __attribute__((__aligned__(4))) \ __attribute__((section("_ftrace_events"))) event_##call = { \ .name = #call, \ - .system = __stringify(TRACE_SYSTEM), \ - .event = &ftrace_event_type_##call, \ - .raw_init = trace_event_raw_init, \ - .regfunc = ftrace_raw_reg_event_##call, \ - .unregfunc = ftrace_raw_unreg_event_##call, \ + .class = &event_class_##template, \ + .event.funcs = &ftrace_event_type_funcs_##call, \ .print_fmt = print_fmt_##call, \ - .define_fields = ftrace_define_fields_##template, \ - _TRACE_PERF_INIT(call) \ } #include TRACE_INCLUDE(TRACE_INCLUDE_FILE) @@ -762,17 +693,20 @@ __attribute__((section("_ftrace_events"))) event_##call = { \ #undef DECLARE_EVENT_CLASS #define DECLARE_EVENT_CLASS(call, proto, args, tstruct, assign, print) \ static notrace void \ -perf_trace_templ_##call(struct ftrace_event_call *event_call, \ - struct pt_regs *__regs, proto) \ +perf_trace_##call(void *__data, proto) \ { \ + struct ftrace_event_call *event_call = __data; \ struct ftrace_data_offsets_##call __maybe_unused __data_offsets;\ struct ftrace_raw_##call *entry; \ + struct pt_regs __regs; \ u64 __addr = 0, __count = 1; \ - unsigned long irq_flags; \ + struct hlist_head *head; \ int __entry_size; \ int __data_size; \ int rctx; \ \ + perf_fetch_caller_regs(&__regs, 1); \ + \ __data_size = ftrace_get_offsets_##call(&__data_offsets, args); \ __entry_size = ALIGN(__data_size + sizeof(*entry) + sizeof(u32),\ sizeof(u64)); \ @@ -781,32 +715,34 @@ perf_trace_templ_##call(struct ftrace_event_call *event_call, \ if (WARN_ONCE(__entry_size > PERF_MAX_TRACE_SIZE, \ "profile buffer not large enough")) \ return; \ + \ entry = (struct ftrace_raw_##call *)perf_trace_buf_prepare( \ - __entry_size, event_call->id, &rctx, &irq_flags); \ + __entry_size, event_call->event.type, &__regs, &rctx); \ if (!entry) \ return; \ + \ tstruct \ \ { assign; } \ \ + head = per_cpu_ptr(event_call->perf_events, smp_processor_id());\ perf_trace_buf_submit(entry, __entry_size, rctx, __addr, \ - __count, irq_flags, __regs); \ + __count, &__regs, head); \ } +/* + * This part is compiled out, it is only here as a build time check + * to make sure that if the tracepoint handling changes, the + * perf probe will fail to compile unless it too is updated. + */ #undef DEFINE_EVENT #define DEFINE_EVENT(template, call, proto, args) \ -static notrace void perf_trace_##call(proto) \ +static inline void perf_test_probe_##call(void) \ { \ - struct ftrace_event_call *event_call = &event_##call; \ - struct pt_regs *__regs = &get_cpu_var(perf_trace_regs); \ - \ - perf_fetch_caller_regs(__regs, 1); \ - \ - perf_trace_templ_##template(event_call, __regs, args); \ - \ - put_cpu_var(perf_trace_regs); \ + check_trace_callback_type_##call(perf_trace_##template); \ } + #undef DEFINE_EVENT_PRINT #define DEFINE_EVENT_PRINT(template, name, proto, args, print) \ DEFINE_EVENT(template, name, PARAMS(proto), PARAMS(args)) diff --git a/include/trace/syscall.h b/include/trace/syscall.h index e5e5f48dbfb3..257e08960d7b 100644 --- a/include/trace/syscall.h +++ b/include/trace/syscall.h @@ -25,6 +25,8 @@ struct syscall_metadata { int nb_args; const char **types; const char **args; + struct list_head enter_fields; + struct list_head exit_fields; struct ftrace_event_call *enter_event; struct ftrace_event_call *exit_event; @@ -34,16 +36,16 @@ struct syscall_metadata { extern unsigned long arch_syscall_addr(int nr); extern int init_syscall_trace(struct ftrace_event_call *call); -extern int syscall_enter_define_fields(struct ftrace_event_call *call); -extern int syscall_exit_define_fields(struct ftrace_event_call *call); extern int reg_event_syscall_enter(struct ftrace_event_call *call); extern void unreg_event_syscall_enter(struct ftrace_event_call *call); extern int reg_event_syscall_exit(struct ftrace_event_call *call); extern void unreg_event_syscall_exit(struct ftrace_event_call *call); extern int ftrace_format_syscall(struct ftrace_event_call *call, struct trace_seq *s); -enum print_line_t print_syscall_enter(struct trace_iterator *iter, int flags); -enum print_line_t print_syscall_exit(struct trace_iterator *iter, int flags); +enum print_line_t print_syscall_enter(struct trace_iterator *iter, int flags, + struct trace_event *event); +enum print_line_t print_syscall_exit(struct trace_iterator *iter, int flags, + struct trace_event *event); #endif #ifdef CONFIG_PERF_EVENTS |