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Diffstat (limited to 'erts/emulator/beam/lttng-wrapper.h')
-rw-r--r-- | erts/emulator/beam/lttng-wrapper.h | 83 |
1 files changed, 83 insertions, 0 deletions
diff --git a/erts/emulator/beam/lttng-wrapper.h b/erts/emulator/beam/lttng-wrapper.h new file mode 100644 index 0000000000..8362dc555e --- /dev/null +++ b/erts/emulator/beam/lttng-wrapper.h @@ -0,0 +1,83 @@ +/* + * %CopyrightBegin% + * + * Copyright Ericsson AB 1996-2016. All Rights Reserved. + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + * + * %CopyrightEnd% + */ + +#ifndef __LTTNG_WRAPPER_H__ +#define __LTTNG_WRAPPER_H__ + +#ifdef USE_LTTNG + +#include "erlang_lttng.h" +#define USE_LTTNG_VM_TRACEPOINTS + +#define LTTNG_BUFFER_SZ (256) +#define LTTNG_PROC_BUFFER_SZ (16) +#define LTTNG_PORT_BUFFER_SZ (20) + +#define lttng_decl_procbuf(Name) \ + char Name[LTTNG_PROC_BUFFER_SZ] + +#define lttng_decl_portbuf(Name) \ + char Name[LTTNG_PORT_BUFFER_SZ] + +#define lttng_pid_to_str(pid, name) \ + erts_snprintf(name, LTTNG_PROC_BUFFER_SZ, "%T", (pid)) + +#define lttng_portid_to_str(pid, name) \ + erts_snprintf(name, LTTNG_PORT_BUFFER_SZ, "%T", (pid)) + +#define lttng_proc_to_str(p, name) \ + lttng_pid_to_str(((p) ? (p)->common.id : ERTS_INVALID_PID), name) + +#define lttng_port_to_str(p, name) \ + lttng_portid_to_str(((p) ? (p)->common.id : ERTS_INVALID_PORT), name) + +/* ErtsRunQueue->ErtsSchedulerData->Uint */ +#define lttng_rq_to_id(RQ) \ + (RQ)->scheduler->no + +#define LTTNG_ENABLED(Name) \ + tracepoint_enabled(com_ericsson_otp, Name) + +/* include a special LTTNG_DO for do_tracepoint ? */ +#define LTTNG1(Name, Arg1) \ + tracepoint(com_ericsson_otp, Name, (Arg1)) + +#define LTTNG2(Name, Arg1, Arg2) \ + tracepoint(com_ericsson_otp, Name, (Arg1), (Arg2)) + +#define LTTNG3(Name, Arg1, Arg2, Arg3) \ + tracepoint(com_ericsson_otp, Name, (Arg1), (Arg2), (Arg3)) + +#define LTTNG4(Name, Arg1, Arg2, Arg3, Arg4) \ + tracepoint(com_ericsson_otp, Name, (Arg1), (Arg2), (Arg3), (Arg4)) + +#define LTTNG5(Name, Arg1, Arg2, Arg3, Arg4, Arg5) \ + tracepoint(com_ericsson_otp, Name, (Arg1), (Arg2), (Arg3), (Arg4), (Arg5)) + +#else /* USE_LTTNG */ + +#define LTTNG1(Name, Arg1) do {} while(0) +#define LTTNG2(Name, Arg1, Arg2) do {} while(0) +#define LTTNG3(Name, Arg1, Arg2, Arg3) do {} while(0) +#define LTTNG4(Name, Arg1, Arg2, Arg3, Arg4) do {} while(0) +#define LTTNG5(Name, Arg1, Arg2, Arg3, Arg4, Arg5) do {} while(0) + +#endif /* USE_LTTNG */ +#endif /* __LTTNG_WRAPPER_H__ */ |