diff options
Diffstat (limited to 'src/backend')
| -rw-r--r-- | src/backend/storage/ipc/ipc.c | 32 |
1 files changed, 31 insertions, 1 deletions
diff --git a/src/backend/storage/ipc/ipc.c b/src/backend/storage/ipc/ipc.c index c779d50cf32..da3eec29b4b 100644 --- a/src/backend/storage/ipc/ipc.c +++ b/src/backend/storage/ipc/ipc.c @@ -13,7 +13,7 @@ * * * IDENTIFICATION - * $PostgreSQL: pgsql/src/backend/storage/ipc/ipc.c,v 1.95 2007/01/05 22:19:37 momjian Exp $ + * $PostgreSQL: pgsql/src/backend/storage/ipc/ipc.c,v 1.96 2007/02/21 15:12:39 momjian Exp $ * *------------------------------------------------------------------------- */ @@ -110,6 +110,36 @@ proc_exit(int code) on_proc_exit_list[on_proc_exit_index].arg); elog(DEBUG3, "exit(%d)", code); + +#ifdef PROFILE_PID_DIR + { + /* + * If we are profiling ourself then gprof's mcleanup() is about + * to write out a profile to ./gmon.out. Since mcleanup() always + * uses a fixed file name, each backend will overwrite earlier + * profiles. To fix that, we create a separate subdirectory for + * each backend (./gprof/pid) and 'cd' to that subdirectory before + * we exit() - that forces mcleanup() to write each profile into + * its own directory. We end up with something like: + * $PGDATA/gprof/8829/gmon.out + * $PGDATA/gprof/8845/gmon.out + * ... + * + * Note that we do this here instead of in an on_proc_exit() + * callback because we want to ensure that this code executes + * last - we don't want to interfere with any other on_proc_exit() + * callback. + */ + char gprofDirName[32]; + + snprintf(gprofDirName, 32, "gprof/%d", (int) getpid()); + + mkdir("gprof", 0777); + mkdir(gprofDirName, 0777); + chdir(gprofDirName); + } +#endif + exit(code); } |