X-Git-Url: https://git.lttng.org/?p=lttng-tools.git;a=blobdiff_plain;f=src%2Fbin%2Flttng-sessiond%2Fkernel.c;h=e478499336896f5d739e087c8ee91e3a395886cd;hp=aa51649783f64c0e324c0090c42033cdbbb41f7a;hb=1cfb4b98d79d3dd709037ee6827f238a5616832a;hpb=d9ab33856fd7bef5b598c9b6a47309b3bf9b06f2 diff --git a/src/bin/lttng-sessiond/kernel.c b/src/bin/lttng-sessiond/kernel.c index aa5164978..e47849933 100644 --- a/src/bin/lttng-sessiond/kernel.c +++ b/src/bin/lttng-sessiond/kernel.c @@ -644,17 +644,22 @@ error: * Open stream of channel, register it to the kernel tracer and add it * to the stream list of the channel. * + * Note: given that the streams may appear in random order wrt CPU + * number (e.g. cpu hotplug), the index value of the stream number in + * the stream name is not necessarily linked to the CPU number. + * * Return the number of created stream. Else, a negative value. */ int kernel_open_channel_stream(struct ltt_kernel_channel *channel) { - int ret, count = 0; + int ret; struct ltt_kernel_stream *lks; assert(channel); while ((ret = kernctl_create_stream(channel->fd)) >= 0) { - lks = trace_kernel_create_stream(channel->channel->name, count); + lks = trace_kernel_create_stream(channel->channel->name, + channel->stream_count); if (lks == NULL) { ret = close(ret); if (ret) { @@ -673,13 +678,10 @@ int kernel_open_channel_stream(struct ltt_kernel_channel *channel) lks->tracefile_size = channel->channel->attr.tracefile_size; lks->tracefile_count = channel->channel->attr.tracefile_count; - /* Add stream to channe stream list */ + /* Add stream to channel stream list */ cds_list_add(&lks->list, &channel->stream_list.head); channel->stream_count++; - /* Increment counter which represent CPU number. */ - count++; - DBG("Kernel stream %s created (fd: %d, state: %d)", lks->name, lks->fd, lks->state); }