From: Julien Desfossez Date: Fri, 10 Aug 2012 03:36:39 +0000 (-0400) Subject: approaching X-Git-Tag: v0.3~116 X-Git-Url: https://git.lttng.org./?a=commitdiff_plain;h=c78f2cdca5c8f39eddd468a7c4ec6c373ed5495e;p=lttngtop.git approaching Signed-off-by: Julien Desfossez --- diff --git a/src/Makefile.am b/src/Makefile.am index 9341389..f25868f 100644 --- a/src/Makefile.am +++ b/src/Makefile.am @@ -16,4 +16,4 @@ lttngtop_SOURCES = \ cputop.c \ iostreamtop.c -lttngtop_LDADD = -lbabeltrace -lbabeltrace-ctf -llttngtop-helper -llttng-ctl -lurcu +lttngtop_LDADD = -lbabeltrace -lbabeltrace-ctf -llttngtop-helper -llttng-ctl -lurcu -llttngtopmmappacketseek diff --git a/src/common.c b/src/common.c index c910a06..f741a29 100644 --- a/src/common.c +++ b/src/common.c @@ -470,7 +470,7 @@ enum bt_cb_ret handle_statedump_process_state(struct bt_ctf_event *call_data, int64_t pid, tid; char *procname; - timestamp = bt_ctf_get_real_timestamp(call_data); + timestamp = bt_ctf_get_timestamp(call_data); if (timestamp == -1ULL) goto error; diff --git a/src/cputop.c b/src/cputop.c index 4a2a8e8..a0ff279 100644 --- a/src/cputop.c +++ b/src/cputop.c @@ -54,7 +54,7 @@ enum bt_cb_ret handle_sched_switch(struct bt_ctf_event *call_data, char *prev_comm, *next_comm; int prev_tid, next_tid; - timestamp = bt_ctf_get_real_timestamp(call_data); + timestamp = bt_ctf_get_timestamp(call_data); if (timestamp == -1ULL) goto error; @@ -107,7 +107,7 @@ enum bt_cb_ret handle_sched_process_free(struct bt_ctf_event *call_data, char *comm; int tid; - timestamp = bt_ctf_get_real_timestamp(call_data); + timestamp = bt_ctf_get_timestamp(call_data); if (timestamp == -1ULL) goto error; diff --git a/src/iostreamtop.c b/src/iostreamtop.c index 7c4a30d..e280a33 100644 --- a/src/iostreamtop.c +++ b/src/iostreamtop.c @@ -266,7 +266,7 @@ enum bt_cb_ret handle_exit_syscall(struct bt_ctf_event *call_data, uint64_t ret, tid; uint64_t cpu_id; - timestamp = bt_ctf_get_real_timestamp(call_data); + timestamp = bt_ctf_get_timestamp(call_data); if (timestamp == -1ULL) goto error; @@ -310,7 +310,7 @@ enum bt_cb_ret handle_sys_write(struct bt_ctf_event *call_data, char *procname; int fd; - timestamp = bt_ctf_get_real_timestamp(call_data); + timestamp = bt_ctf_get_timestamp(call_data); if (timestamp == -1ULL) goto error; @@ -350,7 +350,7 @@ enum bt_cb_ret handle_sys_read(struct bt_ctf_event *call_data, char *procname; int fd; - timestamp = bt_ctf_get_real_timestamp(call_data); + timestamp = bt_ctf_get_timestamp(call_data); if (timestamp == -1ULL) goto error; @@ -392,7 +392,7 @@ enum bt_cb_ret handle_sys_open(struct bt_ctf_event *call_data, char *procname; char *file; - timestamp = bt_ctf_get_real_timestamp(call_data); + timestamp = bt_ctf_get_timestamp(call_data); if (timestamp == -1ULL) goto error; @@ -432,7 +432,7 @@ enum bt_cb_ret handle_sys_close(struct bt_ctf_event *call_data, char *procname; int fd; - timestamp = bt_ctf_get_real_timestamp(call_data); + timestamp = bt_ctf_get_timestamp(call_data); if (timestamp == -1ULL) goto error; @@ -470,7 +470,7 @@ enum bt_cb_ret handle_statedump_file_descriptor(struct bt_ctf_event *call_data, char *file_name; int fd; - timestamp = bt_ctf_get_real_timestamp(call_data); + timestamp = bt_ctf_get_timestamp(call_data); if (timestamp == -1ULL) goto error; diff --git a/src/lttngtop.c b/src/lttngtop.c index f432504..fd23e74 100644 --- a/src/lttngtop.c +++ b/src/lttngtop.c @@ -40,6 +40,7 @@ #include #include #include +#include #include "lttngtoptypes.h" #include "cputop.h" @@ -54,12 +55,14 @@ const char *opt_input_path; struct lttngtop *copy; pthread_t display_thread; pthread_t timer_thread; +pthread_t live_trace_thread; unsigned long refresh_display = 1 * NSEC_PER_SEC; unsigned long last_display_update = 0; int quit = 0; /* LIVE */ +pthread_t thread_live_consume; /* list of FDs available for being read with snapshots */ struct mmap_stream_list mmap_list; GPtrArray *lttng_consumer_stream_array; @@ -71,7 +74,6 @@ sem_t metadata_available; FILE *metadata_fp; int trace_opened = 0; int metadata_ready = 0; -void ctf_move_mmap_pos_slow(struct ctf_stream_pos *pos, size_t offset, int whence); enum { OPT_NONE = 0, @@ -138,7 +140,7 @@ enum bt_cb_ret check_timestamp(struct bt_ctf_event *call_data, void *private_dat { unsigned long timestamp; - timestamp = bt_ctf_get_real_timestamp(call_data); + timestamp = bt_ctf_get_timestamp(call_data); if (timestamp == -1ULL) goto error; @@ -269,7 +271,7 @@ enum bt_cb_ret fix_process_table(struct bt_ctf_event *call_data, struct processtop *parent, *child; unsigned long timestamp; - timestamp = bt_ctf_get_real_timestamp(call_data); + timestamp = bt_ctf_get_timestamp(call_data); if (timestamp == -1ULL) goto error; @@ -644,6 +646,7 @@ int check_requirements(struct bt_context *ctx) void dump_snapshot() { +#if 0 struct lttng_consumer_stream *iter; unsigned long spos; struct mmap_stream *new_snapshot; @@ -716,6 +719,7 @@ void dump_snapshot() end: return; +#endif } ssize_t read_subbuffer(struct lttng_consumer_stream *kconsumerd_fd, @@ -820,7 +824,7 @@ int on_recv_fd(struct lttng_consumer_stream *kconsumerd_fd) } g_ptr_array_add(lttng_consumer_stream_array, kconsumerd_fd); - ret = 1; + ret = 0; } else { consumerd_metadata = helper_get_lttng_consumer_stream_wait_fd(kconsumerd_fd); sessiond_metadata = helper_get_lttng_consumer_stream_key(kconsumerd_fd); @@ -837,16 +841,27 @@ void *live_consume() int ret; while (1) { - dump_snapshot(); - /* +// dump_snapshot(); + + if (!metadata_ready) { + fprintf(stderr, "BLOCKING BEFORE METADATA\n"); + sem_wait(&metadata_available); + fprintf(stderr,"OPENING TRACE\n"); + if (access("/tmp/livesession/kernel/metadata", F_OK) != 0) { + fprintf(stderr,"NO METADATA FILE, SKIPPING\n"); + return; + } + metadata_ready = 1; + metadata_fp = fopen("/tmp/livesession/kernel/metadata", "r"); + } + if (!trace_opened) { bt_ctx = bt_context_create(); - ret = bt_context_add_trace(ctx, NULL, "ctf", - ctf_move_mmap_pos_slow, mmap_list, metadata_fp); + ret = bt_context_add_trace(bt_ctx, NULL, "ctf", + lttngtop_ctf_packet_seek, &mmap_list, metadata_fp); trace_opened = 1; } - */ - //iter_trace(bt_ctx); + iter_trace(bt_ctx); sleep(1); } } @@ -869,22 +884,14 @@ int setup_consumer(char *command_sock_path, pthread_t *threads, ret = pthread_create(&threads[0], NULL, helper_lttng_consumer_thread_receive_fds, (void *) ctx); if (ret != 0) { - perror("pthread_create"); - goto end; - } - /* Create thread to manage the polling/writing of traces */ - ret = pthread_create(&threads[1], NULL, helper_lttng_consumer_thread_poll_fds, - (void *) ctx); - if (ret != 0) { - perror("pthread_create"); + perror("pthread_create receive fd"); goto end; } - /* Create thread to manage the polling/writing of traces */ ret = pthread_create(&threads[1], NULL, helper_lttng_consumer_thread_poll_fds, (void *) ctx); if (ret != 0) { - perror("pthread_create"); + perror("pthread_create poll fd"); goto end; } @@ -892,7 +899,7 @@ end: return ret; } -int setup_live_tracing() +void *setup_live_tracing() { struct lttng_domain dom; struct lttng_channel chan; @@ -904,7 +911,6 @@ int setup_live_tracing() struct lttng_event_context kctxpid, kctxcomm, kctxppid, kctxtid; struct lttng_handle *handle; - pthread_t live_trace_thread; BT_INIT_LIST_HEAD(&mmap_list.head); @@ -940,9 +946,9 @@ int setup_live_tracing() } strcpy(chan.name, channel_name); - chan.attr.overwrite = 1; -// chan.attr.subbuf_size = 32768; - chan.attr.subbuf_size = 1048576; /* 1MB */ + chan.attr.overwrite = 0; + chan.attr.subbuf_size = 32768; +// chan.attr.subbuf_size = 1048576; /* 1MB */ chan.attr.num_subbuf = 4; chan.attr.switch_timer_interval = 0; chan.attr.read_timer_interval = 200; @@ -979,17 +985,13 @@ int setup_live_tracing() helper_kernctl_buffer_flush(consumerd_metadata); /* Create thread to manage the polling/writing of traces */ - ret = pthread_create(&live_trace_thread, NULL, live_consume, NULL); + ret = pthread_create(&thread_live_consume, NULL, live_consume, NULL); if (ret != 0) { perror("pthread_create"); goto end; } - sleep(10); - pthread_cancel(live_trace_thread); - - lttng_stop_tracing("test"); - lttng_destroy_session("test"); +// pthread_cancel(live_trace_thread); /* block until metadata is ready */ sem_init(&metadata_available, 0, 0); @@ -1016,7 +1018,15 @@ int main(int argc, char **argv) if (!opt_input_path) { printf("live tracing enabled\n"); - setup_live_tracing(); + pthread_create(&live_trace_thread, NULL, setup_live_tracing, (void *) NULL); + sleep(20); + printf("STOPPING\n"); + lttng_stop_tracing("test"); + printf("DESTROYING\n"); + lttng_destroy_session("test"); + + printf("CANCELLING\n"); + pthread_cancel(live_trace_thread); goto end; } else { init_lttngtop();