X-Git-Url: https://git.lttng.org/?p=lttng-tools.git;a=blobdiff_plain;f=ltt-sessiond%2Fmain.c;h=49842520dd70db2a5e034f2b21d4ab652e707e54;hp=0af4dcdccb7cdb2ec67b2cd423a6f77902687787;hb=b579acd98eabe5875e3ee7975abe10d7ccf23e5c;hpb=052da9399865b26a0212c6668ab424bb3ba37f4b diff --git a/ltt-sessiond/main.c b/ltt-sessiond/main.c index 0af4dcdcc..49842520d 100644 --- a/ltt-sessiond/main.c +++ b/ltt-sessiond/main.c @@ -41,6 +41,7 @@ #include /* URCU list library (-lurcu) */ #include +#include "context.h" #include "liblttsessiondcomm.h" #include "ltt-sessiond.h" #include "lttngerr.h" @@ -1293,7 +1294,7 @@ static int process_client_msg(struct command_ctx *cmd_ctx) * Check kernel command for kernel session. */ switch (cmd_ctx->lsm->cmd_type) { - case LTTNG_KERNEL_ADD_CONTEXT: + case LTTNG_ADD_CONTEXT: case LTTNG_KERNEL_DISABLE_ALL_EVENT: case LTTNG_KERNEL_DISABLE_CHANNEL: case LTTNG_KERNEL_DISABLE_EVENT: @@ -1344,12 +1345,9 @@ static int process_client_msg(struct command_ctx *cmd_ctx) /* Process by command type */ switch (cmd_ctx->lsm->cmd_type) { - case LTTNG_KERNEL_ADD_CONTEXT: + case LTTNG_ADD_CONTEXT: { - int found = 0, no_event = 0; - struct ltt_kernel_channel *chan; - struct ltt_kernel_event *event; - struct lttng_kernel_context ctx; + struct lttng_kernel_context kctx; /* Setup lttng message with no payload */ ret = setup_lttng_msg(cmd_ctx, 0); @@ -1357,72 +1355,27 @@ static int process_client_msg(struct command_ctx *cmd_ctx) goto setup_error; } - /* Check if event name is given */ - if (strlen(cmd_ctx->lsm->u.context.event_name) == 0) { - no_event = 1; - } - - /* Create Kernel context */ - ctx.ctx = cmd_ctx->lsm->u.context.ctx.ctx; - ctx.u.perf_counter.type = cmd_ctx->lsm->u.context.ctx.u.perf_counter.type; - ctx.u.perf_counter.config = cmd_ctx->lsm->u.context.ctx.u.perf_counter.config; - strncpy(ctx.u.perf_counter.name, - cmd_ctx->lsm->u.context.ctx.u.perf_counter.name, - sizeof(ctx.u.perf_counter.name)); - - if (strlen(cmd_ctx->lsm->u.context.channel_name) == 0) { - /* Go over all channels */ - DBG("Adding context to all channels"); - cds_list_for_each_entry(chan, - &cmd_ctx->session->kernel_session->channel_list.head, list) { - if (no_event) { - ret = kernel_add_channel_context(chan, &ctx); - if (ret < 0) { - ret = LTTCOMM_KERN_CONTEXT_FAIL; - goto error; - } - } else { - event = get_kernel_event_by_name(cmd_ctx->lsm->u.context.event_name, chan); - if (event != NULL) { - ret = kernel_add_event_context(event, &ctx); - if (ret < 0) { - ret = LTTCOMM_KERN_CONTEXT_FAIL; - goto error; - } - found = 1; - break; - } - } - } - } else { - chan = get_kernel_channel_by_name(cmd_ctx->lsm->u.context.channel_name, - cmd_ctx->session->kernel_session); - if (chan == NULL) { - ret = LTTCOMM_KERN_CHAN_NOT_FOUND; + switch (cmd_ctx->lsm->domain.type) { + case LTTNG_DOMAIN_KERNEL: + /* Create Kernel context */ + kctx.ctx = cmd_ctx->lsm->u.context.ctx.ctx; + kctx.u.perf_counter.type = cmd_ctx->lsm->u.context.ctx.u.perf_counter.type; + kctx.u.perf_counter.config = cmd_ctx->lsm->u.context.ctx.u.perf_counter.config; + strncpy(kctx.u.perf_counter.name, + cmd_ctx->lsm->u.context.ctx.u.perf_counter.name, + LTTNG_SYMBOL_NAME_LEN); + + /* Add kernel context to kernel tracer. See context.c */ + ret = add_kernel_context(cmd_ctx->session->kernel_session, &kctx, + cmd_ctx->lsm->u.context.event_name, + cmd_ctx->lsm->u.context.channel_name); + if (ret != LTTCOMM_OK) { goto error; } - - if (no_event) { - ret = kernel_add_channel_context(chan, &ctx); - if (ret < 0) { - ret = LTTCOMM_KERN_CONTEXT_FAIL; - goto error; - } - } else { - event = get_kernel_event_by_name(cmd_ctx->lsm->u.context.event_name, chan); - if (event != NULL) { - ret = kernel_add_event_context(event, &ctx); - if (ret < 0) { - ret = LTTCOMM_KERN_CONTEXT_FAIL; - goto error; - } - } - } - } - - if (!found && !no_event) { - ret = LTTCOMM_NO_EVENT; - goto error; + break; + default: + /* TODO: Userspace tracing */ + ret = LTTCOMM_NOT_IMPLEMENTED; } ret = LTTCOMM_OK;