diff options
Diffstat (limited to 'source3/lib/tdb')
| -rw-r--r-- | source3/lib/tdb/tools/tdbtool.c | 54 |
1 files changed, 52 insertions, 2 deletions
diff --git a/source3/lib/tdb/tools/tdbtool.c b/source3/lib/tdb/tools/tdbtool.c index cf801d5dc5..e90acd18f0 100644 --- a/source3/lib/tdb/tools/tdbtool.c +++ b/source3/lib/tdb/tools/tdbtool.c @@ -35,6 +35,7 @@ int bIterate = 0; char *line; TDB_DATA iterate_kbuf; char cmdline[1024]; +static int disable_mmap; enum commands { CMD_CREATE_TDB, @@ -51,6 +52,8 @@ enum commands { CMD_LIST_HASH_FREE, CMD_LIST_FREE, CMD_INFO, + CMD_MMAP, + CMD_SPEED, CMD_FIRST, CMD_NEXT, CMD_SYSTEM, @@ -78,6 +81,8 @@ COMMAND_TABLE cmd_table[] = { {"list", CMD_LIST_HASH_FREE}, {"free", CMD_LIST_FREE}, {"info", CMD_INFO}, + {"speed", CMD_SPEED}, + {"mmap", CMD_MMAP}, {"first", CMD_FIRST}, {"1", CMD_FIRST}, {"next", CMD_NEXT}, @@ -88,6 +93,20 @@ COMMAND_TABLE cmd_table[] = { {NULL, CMD_HELP} }; +struct timeval tp1,tp2; + +static void _start_timer(void) +{ + gettimeofday(&tp1,NULL); +} + +static double _end_timer(void) +{ + gettimeofday(&tp2,NULL); + return((tp2.tv_sec - tp1.tv_sec) + + (tp2.tv_usec - tp1.tv_usec)*1.0e-6); +} + /* a tdb tool for manipulating a tdb database */ static TDB_CONTEXT *tdb; @@ -176,7 +195,7 @@ static void terror(const char *why) static void create_tdb(const char *tdbname) { if (tdb) tdb_close(tdb); - tdb = tdb_open(tdbname, 0, TDB_CLEAR_IF_FIRST, + tdb = tdb_open(tdbname, 0, TDB_CLEAR_IF_FIRST | (disable_mmap?TDB_NOMMAP:0), O_RDWR | O_CREAT | O_TRUNC, 0600); if (!tdb) { printf("Could not create %s: %s\n", tdbname, strerror(errno)); @@ -186,7 +205,7 @@ static void create_tdb(const char *tdbname) static void open_tdb(const char *tdbname) { if (tdb) tdb_close(tdb); - tdb = tdb_open(tdbname, 0, 0, O_RDWR, 0600); + tdb = tdb_open(tdbname, 0, disable_mmap?TDB_NOMMAP:0, O_RDWR, 0600); if (!tdb) { printf("Could not open %s: %s\n", tdbname, strerror(errno)); } @@ -366,6 +385,31 @@ static void info_tdb(void) printf("%d records totalling %d bytes\n", count, total_bytes); } +static void speed_tdb(const char *tlimit) +{ + unsigned timelimit = tlimit?atoi(tlimit):0; + double t; + int ops=0; + if (timelimit == 0) timelimit = 10; + printf("Testing traverse speed for %u seconds\n", timelimit); + _start_timer(); + while ((t=_end_timer()) < timelimit) { + tdb_traverse(tdb, traverse_fn, NULL); + printf("%10.3f ops/sec\r", (++ops)/t); + } + printf("\n"); +} + +static void toggle_mmap(void) +{ + disable_mmap = !disable_mmap; + if (disable_mmap) { + printf("mmap is disabled\n"); + } else { + printf("mmap is enabled\n"); + } +} + static char *tdb_getline(const char *prompt) { static char thisline[1024]; @@ -494,6 +538,12 @@ static int do_command(void) case CMD_INFO: info_tdb(); return 0; + case CMD_SPEED: + speed_tdb(arg1); + return 0; + case CMD_MMAP: + toggle_mmap(); + return 0; case CMD_FIRST: bIterate = 1; first_record(tdb, &iterate_kbuf); |