diff options
Diffstat (limited to 'src/spdk/lib/trace/trace_rpc.c')
| -rw-r--r-- | src/spdk/lib/trace/trace_rpc.c | 170 |
1 files changed, 170 insertions, 0 deletions
diff --git a/src/spdk/lib/trace/trace_rpc.c b/src/spdk/lib/trace/trace_rpc.c new file mode 100644 index 000000000..90dbfbc60 --- /dev/null +++ b/src/spdk/lib/trace/trace_rpc.c @@ -0,0 +1,170 @@ +/*- + * BSD LICENSE + * + * Copyright (c) Intel Corporation. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * * Neither the name of Intel Corporation nor the names of its + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#include "spdk/rpc.h" +#include "spdk/util.h" +#include "spdk/trace.h" +#include "spdk_internal/log.h" + +struct rpc_tpoint_group { + char *name; +}; + +static void +free_rpc_tpoint_group(struct rpc_tpoint_group *p) +{ + free(p->name); +} + +static const struct spdk_json_object_decoder rpc_tpoint_group_decoders[] = { + {"name", offsetof(struct rpc_tpoint_group, name), spdk_json_decode_string}, +}; + +static void +rpc_trace_enable_tpoint_group(struct spdk_jsonrpc_request *request, + const struct spdk_json_val *params) +{ + struct rpc_tpoint_group req = {}; + struct spdk_json_write_ctx *w; + + if (spdk_json_decode_object(params, rpc_tpoint_group_decoders, + SPDK_COUNTOF(rpc_tpoint_group_decoders), &req)) { + SPDK_DEBUGLOG(SPDK_LOG_TRACE, "spdk_json_decode_object failed\n"); + goto invalid; + } + + if (req.name == NULL) { + SPDK_DEBUGLOG(SPDK_LOG_TRACE, "flag was NULL\n"); + goto invalid; + } + + if (spdk_trace_enable_tpoint_group(req.name)) { + goto invalid; + } + + free_rpc_tpoint_group(&req); + + w = spdk_jsonrpc_begin_result(request); + spdk_json_write_bool(w, true); + spdk_jsonrpc_end_result(request, w); + return; + +invalid: + spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS, "Invalid parameters"); + free_rpc_tpoint_group(&req); +} +SPDK_RPC_REGISTER("trace_enable_tpoint_group", rpc_trace_enable_tpoint_group, + SPDK_RPC_STARTUP | SPDK_RPC_RUNTIME) +SPDK_RPC_REGISTER_ALIAS_DEPRECATED(trace_enable_tpoint_group, enable_tpoint_group) + +static void +rpc_trace_disable_tpoint_group(struct spdk_jsonrpc_request *request, + const struct spdk_json_val *params) +{ + struct rpc_tpoint_group req = {}; + struct spdk_json_write_ctx *w; + + if (spdk_json_decode_object(params, rpc_tpoint_group_decoders, + SPDK_COUNTOF(rpc_tpoint_group_decoders), &req)) { + SPDK_DEBUGLOG(SPDK_LOG_TRACE, "spdk_json_decode_object failed\n"); + goto invalid; + } + + if (req.name == NULL) { + SPDK_DEBUGLOG(SPDK_LOG_TRACE, "flag was NULL\n"); + goto invalid; + } + + if (spdk_trace_disable_tpoint_group(req.name)) { + goto invalid; + } + + free_rpc_tpoint_group(&req); + + w = spdk_jsonrpc_begin_result(request); + spdk_json_write_bool(w, true); + spdk_jsonrpc_end_result(request, w); + return; + +invalid: + spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS, "Invalid parameters"); + free_rpc_tpoint_group(&req); +} +SPDK_RPC_REGISTER("trace_disable_tpoint_group", rpc_trace_disable_tpoint_group, + SPDK_RPC_STARTUP | SPDK_RPC_RUNTIME) +SPDK_RPC_REGISTER_ALIAS_DEPRECATED(trace_disable_tpoint_group, disable_tpoint_group) + +static void +rpc_trace_get_tpoint_group_mask(struct spdk_jsonrpc_request *request, + const struct spdk_json_val *params) +{ + uint64_t tpoint_group_mask; + char mask_str[7]; + bool enabled; + struct spdk_json_write_ctx *w; + struct spdk_trace_register_fn *register_fn; + + if (params != NULL) { + spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS, + "trace_get_tpoint_group_mask requires no parameters"); + return; + } + + w = spdk_jsonrpc_begin_result(request); + tpoint_group_mask = spdk_trace_get_tpoint_group_mask(); + + spdk_json_write_object_begin(w); + + snprintf(mask_str, sizeof(mask_str), "0x%lx", tpoint_group_mask); + spdk_json_write_named_string(w, "tpoint_group_mask", mask_str); + + register_fn = spdk_trace_get_first_register_fn(); + while (register_fn) { + enabled = spdk_trace_get_tpoint_mask(register_fn->tgroup_id) != 0; + + spdk_json_write_named_object_begin(w, register_fn->name); + spdk_json_write_named_bool(w, "enabled", enabled); + + snprintf(mask_str, sizeof(mask_str), "0x%lx", (1UL << register_fn->tgroup_id)); + spdk_json_write_named_string(w, "mask", mask_str); + spdk_json_write_object_end(w); + + register_fn = spdk_trace_get_next_register_fn(register_fn); + } + + spdk_json_write_object_end(w); + spdk_jsonrpc_end_result(request, w); +} +SPDK_RPC_REGISTER("trace_get_tpoint_group_mask", rpc_trace_get_tpoint_group_mask, + SPDK_RPC_STARTUP | SPDK_RPC_RUNTIME) +SPDK_RPC_REGISTER_ALIAS_DEPRECATED(trace_get_tpoint_group_mask, get_tpoint_group_mask) |