added latency reporting
authorAndrew Tridgell <tridge@samba.org>
Fri, 25 Jan 2008 06:27:36 +0000 (17:27 +1100)
committerAndrew Tridgell <tridge@samba.org>
Fri, 25 Jan 2008 06:27:36 +0000 (17:27 +1100)
source/torture/raw/offline.c

index 4b7d108b0f55f8fe7ba485c8ec85ac26d5245c1a..754185ec62fd361e7c2e36911746e31e1ec82dad 100644 (file)
@@ -44,15 +44,20 @@ static int test_failed;
 extern int torture_numops;
 static bool test_finished;
 
+enum offline_op {OP_LOADFILE, OP_SAVEFILE, OP_SETOFFLINE, OP_GETOFFLINE, OP_ENDOFLIST};
+
+static double latencies[OP_ENDOFLIST];
+static double worst_latencies[OP_ENDOFLIST];
+
 #define FILE_SIZE 8192
 
-enum offline_op {OP_LOADFILE, OP_SAVEFILE, OP_SETOFFLINE, OP_GETOFFLINE, OP_ENDOFLIST};
 
 struct offline_state {
        struct torture_context *tctx;
        struct event_context *ev;
        struct smbcli_tree *tree;
        TALLOC_CTX *mem_ctx;
+       int client;
        int fnum;
        uint32_t count;
        uint32_t lastcount;
@@ -64,6 +69,7 @@ struct offline_state {
        struct smb_composite_savefile *savefile;
        struct smbcli_request *req;
        enum offline_op op;
+       struct timeval tv_start;
 };
 
 static void test_offline(struct offline_state *state);
@@ -208,6 +214,12 @@ static void getoffline_callback(struct smbcli_request *req)
 static void test_offline(struct offline_state *state)
 {
        struct composite_context *ctx;
+       double lat;
+
+       lat = timeval_elapsed(&state->tv_start);
+       if (latencies[state->op] < lat) {
+               latencies[state->op] = lat;
+       }
 
        state->op = (enum offline_op) (random() % OP_ENDOFLIST);
        
@@ -215,6 +227,8 @@ static void test_offline(struct offline_state *state)
        talloc_free(state->fname);
        state->fname = filename(state->mem_ctx, state->fnumber);
 
+       state->tv_start = timeval_current();
+
        switch (state->op) {
        case OP_LOADFILE:
                state->loadfile = talloc_zero(state->mem_ctx, struct smb_composite_loadfile);
@@ -258,6 +272,9 @@ static void test_offline(struct offline_state *state)
                io.setattr.level = RAW_SFILEINFO_SETATTR;
                io.setattr.in.attrib = FILE_ATTRIBUTE_OFFLINE;
                io.setattr.in.file.path = state->fname;
+               /* make the file 1 hour old, to get past mininum age restrictions 
+                  for HSM systems */
+               io.setattr.in.write_time = time(NULL) - 60*60;
 
                state->req = smb_raw_setpathinfo_send(state->tree, &io);
                if (state->req == NULL) {
@@ -316,16 +333,32 @@ static void report_rate(struct event_context *ev, struct timed_event *te,
        struct offline_state *state = talloc_get_type(private_data, 
                                                        struct offline_state);
        int i;
-       uint32_t total=0;
+       uint32_t total=0, total_offline=0, total_online=0;
        for (i=0;i<numstates;i++) {
                total += state[i].count - state[i].lastcount;
+               if (timeval_elapsed(&state[i].tv_start) > latencies[state[i].op]) {
+                       latencies[state[i].op] = timeval_elapsed(&state[i].tv_start);
+               }
                state[i].lastcount = state[i].count;            
+               total_online += state[i].online_count;
+               total_offline += state[i].offline_count;
        }
-       printf("ops=%6u   offline_count=%6u   online_count=%6u\r",
-              total, state->offline_count, state->online_count);
+       printf("ops/s=%4u  offline=%5u online=%4u  set_lat=%.1f get_lat=%.1f save_lat=%.1f load_lat=%.1f\r",
+              total, total_offline, total_online,
+              latencies[OP_SETOFFLINE],
+              latencies[OP_GETOFFLINE],
+              latencies[OP_SAVEFILE],
+              latencies[OP_LOADFILE]);
        fflush(stdout);
        event_add_timed(ev, state, timeval_current_ofs(1, 0), report_rate, state);
 
+       for (i=0;i<OP_ENDOFLIST;i++) {
+               if (latencies[i] > worst_latencies[i]) {
+                       worst_latencies[i] = latencies[i];
+               }
+               latencies[i] = 0;
+       }
+
        /* send an echo on each interface to ensure it stays alive - this helps
           with IP takeover */
        for (i=0;i<numstates;i++) {
@@ -361,12 +394,12 @@ bool torture_test_offline(struct torture_context *torture)
        bool progress;
        progress = torture_setting_bool(torture, "progress", true);
 
-       nconnections = torture_setting_int(torture, "nconnections", 4);
+       nconnections = torture_setting_int(torture, "nprocs", 4);
        numstates = nconnections * 5;
 
        state = talloc_zero_array(mem_ctx, struct offline_state, numstates);
 
-       printf("Opening %d connections with %d simultaneous operations\n", nconnections, numstates);
+       printf("Opening %d connections with %d simultaneous operations and %u files\n", nconnections, numstates, torture_numops);
        for (i=0;i<nconnections;i++) {
                state[i].tctx = torture;
                state[i].mem_ctx = talloc_new(state);
@@ -375,6 +408,9 @@ bool torture_test_offline(struct torture_context *torture)
                        return false;
                }
                state[i].tree = cli->tree;
+               state[i].client = i;
+               /* allow more time for offline files */
+               state[i].tree->session->transport->options.request_timeout = 200;
        }
 
        /* the others are repeats on the earlier connections */
@@ -383,6 +419,7 @@ bool torture_test_offline(struct torture_context *torture)
                state[i].mem_ctx = talloc_new(state);
                state[i].ev = ev;
                state[i].tree = state[i % nconnections].tree;
+               state[i].client = i;
        }
 
        num_connected = i;
@@ -392,6 +429,7 @@ bool torture_test_offline(struct torture_context *torture)
        }
 
        /* pre-create files */
+       printf("Pre-creating %u files ....\n", torture_numops);
        for (i=0;i<torture_numops;i++) {
                int fnum;
                char *fname = filename(mem_ctx, i);
@@ -422,6 +460,7 @@ bool torture_test_offline(struct torture_context *torture)
 
        /* start the async ops */
        for (i=0;i<numstates;i++) {
+               state[i].tv_start = timeval_current();
                test_offline(&state[i]);
        }
 
@@ -451,6 +490,12 @@ bool torture_test_offline(struct torture_context *torture)
                }
        }       
 
+       printf("worst latencies: set_lat=%.1f get_lat=%.1f save_lat=%.1f load_lat=%.1f\n",
+              worst_latencies[OP_SETOFFLINE],
+              worst_latencies[OP_GETOFFLINE],
+              worst_latencies[OP_SAVEFILE],
+              worst_latencies[OP_LOADFILE]);
+
        smbcli_deltree(state[0].tree, BASEDIR);
        talloc_free(mem_ctx);
        printf("\n");