Parametrize enable-channel help
authorMathieu Desnoyers <mathieu.desnoyers@efficios.com>
Tue, 16 Aug 2011 20:46:27 +0000 (16:46 -0400)
committerMathieu Desnoyers <mathieu.desnoyers@efficios.com>
Tue, 16 Aug 2011 20:46:27 +0000 (16:46 -0400)
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
lttng/commands/enable_channels.c

index bd732f22f20d4e4979323c1c75a32f1e0c77dee9..ba5b7b45a5219370a9fd86aa9e9dc4d966145702 100644 (file)
@@ -84,12 +84,22 @@ static void usage(FILE *ofp)
        fprintf(ofp, "  -p, --pid PID            If -u, apply on a specific PID\n");
        fprintf(ofp, "\n");
        fprintf(ofp, "Channel options:\n");
-       fprintf(ofp, "      --discard            Discard event when buffers are full (default)\n");
-       fprintf(ofp, "      --overwrite          Flight recorder mode\n");
-       fprintf(ofp, "      --subbuf-size        Subbuffer size in bytes (default: 4096)\n");
-       fprintf(ofp, "      --num-subbuf         Number of subbufers (default: 2)\n");
-       fprintf(ofp, "      --switch-timer       Switch timer interval in usec (default: 0)\n");
-       fprintf(ofp, "      --read-timer         Read timer interval in usec (default: 200)\n");
+       fprintf(ofp, "      --discard            Discard event when buffers are full%s\n",
+               DEFAULT_CHANNEL_OVERWRITE ? "" : " (default)");
+       fprintf(ofp, "      --overwrite          Flight recorder mode%s\n",
+               DEFAULT_CHANNEL_OVERWRITE ? " (default)" : "");
+       fprintf(ofp, "      --subbuf-size        Subbuffer size in bytes\n");
+       fprintf(ofp, "                               (default: %u, kernel default: %u)\n",
+               DEFAULT_CHANNEL_SUBBUF_SIZE,
+               DEFAULT_KERNEL_CHANNEL_SUBBUF_SIZE);
+       fprintf(ofp, "      --num-subbuf         Number of subbufers\n");
+       fprintf(ofp, "                               (default: %u, kernel default: %u)\n",
+               DEFAULT_CHANNEL_SUBBUF_NUM,
+               DEFAULT_KERNEL_CHANNEL_SUBBUF_NUM);
+       fprintf(ofp, "      --switch-timer       Switch timer interval in usec (default: %u)\n",
+               DEFAULT_CHANNEL_SWITCH_TIMER);
+       fprintf(ofp, "      --read-timer         Read timer interval in usec (default: %u)\n",
+               DEFAULT_CHANNEL_READ_TIMER);
        fprintf(ofp, "\n");
 }
 
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