diff options
Diffstat (limited to 'lib/runtime_tools/c_src')
| -rw-r--r-- | lib/runtime_tools/c_src/Makefile.in | 2 | ||||
| -rw-r--r-- | lib/runtime_tools/c_src/dyntrace.c | 604 | ||||
| -rw-r--r-- | lib/runtime_tools/c_src/dyntrace_lttng.h | 367 |
3 files changed, 970 insertions, 3 deletions
diff --git a/lib/runtime_tools/c_src/Makefile.in b/lib/runtime_tools/c_src/Makefile.in index 70b48daf97..4530a83aee 100644 --- a/lib/runtime_tools/c_src/Makefile.in +++ b/lib/runtime_tools/c_src/Makefile.in @@ -91,7 +91,7 @@ $(OBJDIR): $(LIBDIR): -@mkdir -p $(LIBDIR) -$(OBJDIR)/%$(TYPEMARKER).o: %.c +$(OBJDIR)/%$(TYPEMARKER).o: %.c dyntrace_lttng.h $(V_CC) -c -o $@ $(ALL_CFLAGS) $< $(LIBDIR)/%$(TYPEMARKER).@DED_EXT@: $(OBJDIR)/%$(TYPEMARKER).o diff --git a/lib/runtime_tools/c_src/dyntrace.c b/lib/runtime_tools/c_src/dyntrace.c index 0ef8eaf4d3..0178d95efb 100644 --- a/lib/runtime_tools/c_src/dyntrace.c +++ b/lib/runtime_tools/c_src/dyntrace.c @@ -29,7 +29,13 @@ #include "sys.h" #include "dtrace-wrapper.h" #if defined(USE_DYNAMIC_TRACE) && (defined(USE_DTRACE) || defined(USE_SYSTEMTAP)) -#define HAVE_USE_DTRACE 1 +# define HAVE_USE_DTRACE 1 +#endif +#if defined(USE_LTTNG) +# define HAVE_USE_LTTNG 1 +# define TRACEPOINT_DEFINE +# define TRACEPOINT_CREATE_PROBES +# include "dyntrace_lttng.h" #endif void dtrace_nifenv_str(ErlNifEnv *env, char *process_buf); @@ -60,11 +66,56 @@ static ERL_NIF_TERM user_trace_s1(ErlNifEnv* env, int argc, const ERL_NIF_TERM a static ERL_NIF_TERM user_trace_i4s4(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]); static ERL_NIF_TERM user_trace_n(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]); +static ERL_NIF_TERM enabled(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]); +static ERL_NIF_TERM trace(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]); + +#ifdef HAVE_USE_LTTNG +static ERL_NIF_TERM trace_procs(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]); +static ERL_NIF_TERM trace_ports(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]); +static ERL_NIF_TERM trace_running_procs(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]); +static ERL_NIF_TERM trace_running_ports(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]); +static ERL_NIF_TERM trace_call(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]); +static ERL_NIF_TERM trace_send(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]); +static ERL_NIF_TERM trace_receive(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]); +static ERL_NIF_TERM trace_garbage_collection(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]); + +static ERL_NIF_TERM enabled_procs(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]); +static ERL_NIF_TERM enabled_ports(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]); +static ERL_NIF_TERM enabled_running_procs(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]); +static ERL_NIF_TERM enabled_running_ports(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]); +static ERL_NIF_TERM enabled_call(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]); +static ERL_NIF_TERM enabled_send(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]); +static ERL_NIF_TERM enabled_receive(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]); +static ERL_NIF_TERM enabled_garbage_collection(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]); +#endif + + static ErlNifFunc nif_funcs[] = { {"available", 0, available}, {"user_trace_s1", 1, user_trace_s1}, {"user_trace_i4s4", 9, user_trace_i4s4}, - {"user_trace_n", 10, user_trace_n} + {"user_trace_n", 10, user_trace_n}, +#ifdef HAVE_USE_LTTNG + {"trace_procs", 6, trace_procs}, + {"trace_ports", 6, trace_ports}, + {"trace_running_procs", 6, trace_running_procs}, + {"trace_running_ports", 6, trace_running_ports}, + {"trace_call", 6, trace_call}, + {"trace_send", 6, trace_send}, + {"trace_receive", 6, trace_receive}, + {"trace_garbage_collection", 6, trace_garbage_collection}, + {"enabled_procs", 3, enabled_procs}, + {"enabled_ports", 3, enabled_ports}, + {"enabled_running_procs", 3, enabled_running_procs}, + {"enabled_running_ports", 3, enabled_running_ports}, + {"enabled_call", 3, enabled_call}, + {"enabled_send", 3, enabled_send}, + {"enabled_receive", 3, enabled_receive}, + {"enabled_garbage_collection", 3, enabled_garbage_collection}, +#endif + {"enabled", 3, enabled}, + {"trace", 5, trace}, + {"trace", 6, trace} }; ERL_NIF_INIT(dyntrace, nif_funcs, load, NULL, NULL, NULL) @@ -76,6 +127,61 @@ static ERL_NIF_TERM atom_not_available; static ERL_NIF_TERM atom_badarg; static ERL_NIF_TERM atom_ok; +static ERL_NIF_TERM atom_trace; +static ERL_NIF_TERM atom_seq_trace; +static ERL_NIF_TERM atom_remove; +static ERL_NIF_TERM atom_discard; + +#ifdef HAVE_USE_LTTNG + +/* gc atoms */ + +static ERL_NIF_TERM atom_gc_minor_start; +static ERL_NIF_TERM atom_gc_minor_end; +static ERL_NIF_TERM atom_gc_major_start; +static ERL_NIF_TERM atom_gc_major_end; + +static ERL_NIF_TERM atom_old_heap_block_size; /* for debug */ +static ERL_NIF_TERM atom_heap_block_size; /* for debug */ + +/* process 'procs' */ + +static ERL_NIF_TERM atom_spawn; +static ERL_NIF_TERM atom_exit; +static ERL_NIF_TERM atom_register; +static ERL_NIF_TERM atom_unregister; +static ERL_NIF_TERM atom_link; +static ERL_NIF_TERM atom_unlink; +static ERL_NIF_TERM atom_getting_linked; +static ERL_NIF_TERM atom_getting_unlinked; + +/* process 'running' and 'exiting' */ + +static ERL_NIF_TERM atom_in; +static ERL_NIF_TERM atom_out; +static ERL_NIF_TERM atom_in_exiting; +static ERL_NIF_TERM atom_out_exiting; +static ERL_NIF_TERM atom_out_exited; + +/* process messages 'send' and 'receive' */ + +static ERL_NIF_TERM atom_send; +static ERL_NIF_TERM atom_receive; +static ERL_NIF_TERM atom_send_to_non_existing_process; + +/* ports 'ports' */ + +static ERL_NIF_TERM atom_open; +static ERL_NIF_TERM atom_closed; + +/* 'call' */ + +static ERL_NIF_TERM atom_call; +static ERL_NIF_TERM atom_return_from; +static ERL_NIF_TERM atom_return_to; +static ERL_NIF_TERM atom_exception_from; +#endif + static int load(ErlNifEnv* env, void** priv_data, ERL_NIF_TERM load_info) { atom_true = enif_make_atom(env,"true"); @@ -85,6 +191,61 @@ static int load(ErlNifEnv* env, void** priv_data, ERL_NIF_TERM load_info) atom_badarg = enif_make_atom(env,"badarg"); atom_ok = enif_make_atom(env,"ok"); + atom_trace = enif_make_atom(env,"trace"); + atom_seq_trace = enif_make_atom(env,"seq_trace"); + atom_remove = enif_make_atom(env,"remove"); + atom_discard = enif_make_atom(env,"discard"); + +#ifdef HAVE_USE_LTTNG + + /* gc */ + + atom_gc_minor_start = enif_make_atom(env,"gc_minor_start"); + atom_gc_minor_end = enif_make_atom(env,"gc_minor_end"); + atom_gc_major_start = enif_make_atom(env,"gc_major_start"); + atom_gc_major_end = enif_make_atom(env,"gc_major_end"); + + atom_old_heap_block_size = enif_make_atom(env,"old_heap_block_size"); + atom_heap_block_size = enif_make_atom(env,"heap_block_size"); + + /* process 'proc' */ + + atom_spawn = enif_make_atom(env,"spawn"); + atom_exit = enif_make_atom(env,"exit"); + atom_register = enif_make_atom(env,"register"); + atom_unregister = enif_make_atom(env,"unregister"); + atom_link = enif_make_atom(env,"link"); + atom_unlink = enif_make_atom(env,"unlink"); + atom_getting_unlinked = enif_make_atom(env,"getting_unlinked"); + atom_getting_linked = enif_make_atom(env,"getting_linked"); + + /* process 'running' and 'exiting' */ + + atom_in = enif_make_atom(env,"in"); + atom_out = enif_make_atom(env,"out"); + atom_in_exiting = enif_make_atom(env,"in_exiting"); + atom_out_exiting = enif_make_atom(env,"out_exiting"); + atom_out_exited = enif_make_atom(env,"out_exited"); + + /* process messages 'send' and 'receive' */ + + atom_send = enif_make_atom(env,"send"); + atom_receive = enif_make_atom(env,"receive"); + atom_send_to_non_existing_process = enif_make_atom(env,"send_to_non_existing_process"); + + /* ports 'ports' */ + + atom_open = enif_make_atom(env,"open"); + atom_closed = enif_make_atom(env,"closed"); + + /* 'call' */ + + atom_call = enif_make_atom(env,"call"); + atom_return_from = enif_make_atom(env,"return_from"); + atom_return_to = enif_make_atom(env,"return_to"); + atom_exception_from = enif_make_atom(env,"exception_from"); +#endif + return 0; } @@ -123,3 +284,442 @@ static ERL_NIF_TERM user_trace_n(ErlNifEnv* env, int argc, const ERL_NIF_TERM ar return atom_error; #endif } + +static ERL_NIF_TERM enabled(ErlNifEnv *env, int argc, const ERL_NIF_TERM argv[]) +{ +#ifdef HAVE_USE_LTTNG + ASSERT(argc == 3); + return atom_trace; +#endif + return atom_remove; +} + +static ERL_NIF_TERM trace(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]) +{ + return atom_ok; +} + +#ifdef HAVE_USE_LTTNG +static ERL_NIF_TERM enabled_garbage_collection(ErlNifEnv *env, int argc, const ERL_NIF_TERM argv[]) +{ + ASSERT(argc == 3); + + if (argv[0] == atom_gc_minor_start && LTTNG_ENABLED(gc_minor_start)) { + return atom_trace; + } else if (argv[0] == atom_gc_minor_end && LTTNG_ENABLED(gc_minor_end)) { + return atom_trace; + } else if (argv[0] == atom_gc_major_start && LTTNG_ENABLED(gc_major_start)) { + return atom_trace; + } else if (argv[0] == atom_gc_major_end && LTTNG_ENABLED(gc_major_end)) { + return atom_trace; + } + + return atom_discard; +} + +static ERL_NIF_TERM trace_garbage_collection(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]) +{ + lttng_decl_procbuf(pid); + ERL_NIF_TERM gci, tup; + const ERL_NIF_TERM *vals; + int arity; + unsigned long ohbsz, nhbsz, size; + + ASSERT(argc == 6); + + /* Assume gc info order does not change */ + gci = argv[3]; + + /* get reclaimed or need */ + enif_get_list_cell(env, gci, &tup, &gci); + enif_get_tuple(env, tup, &arity, &vals); + ASSERT(arity == 2); + enif_get_ulong(env, vals[1], &size); + + /* get old heap block size */ + enif_get_list_cell(env, gci, &tup, &gci); + enif_get_tuple(env, tup, &arity, &vals); + ASSERT(arity == 2); + ASSERT(vals[0] == atom_old_heap_block_size); + enif_get_ulong(env, vals[1], &ohbsz); + + /* get new heap block size */ + enif_get_list_cell(env, gci, &tup, &gci); + enif_get_tuple(env, tup, &arity, &vals); + ASSERT(arity == 2); + ASSERT(vals[0] == atom_heap_block_size); + enif_get_ulong(env, vals[1], &nhbsz); + + lttng_pid_to_str(argv[2], pid); + + if (argv[0] == atom_gc_minor_start) { + LTTNG4(gc_minor_start, pid, size, nhbsz, ohbsz); + } else if (argv[0] == atom_gc_minor_end) { + LTTNG4(gc_minor_end, pid, size, nhbsz, ohbsz); + } else if (argv[0] == atom_gc_major_start) { + LTTNG4(gc_major_start, pid, size, nhbsz, ohbsz); + } else if (argv[0] == atom_gc_major_end) { + LTTNG4(gc_major_end, pid, size, nhbsz, ohbsz); + } + return atom_ok; +} + +static ERL_NIF_TERM enabled_call(ErlNifEnv *env, int argc, const ERL_NIF_TERM argv[]) +{ + ASSERT(argc == 3); + + if (argv[0] == atom_call && LTTNG_ENABLED(function_call)) + return atom_trace; + else if (argv[0] == atom_return_from && LTTNG_ENABLED(function_return)) + return atom_trace; + else if (argv[0] == atom_exception_from && LTTNG_ENABLED(function_exception)) + return atom_trace; + + return atom_discard; +} + +static ERL_NIF_TERM trace_call(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]) +{ + lttng_decl_procbuf(pid); + unsigned int len; + char undef[] = "undefined"; + + lttng_pid_to_str(argv[2], pid); + + if (argv[0] == atom_call) { + const ERL_NIF_TERM* tuple; + int arity; + lttng_decl_mfabuf(mfa); + + if (enif_get_tuple(env, argv[3], &arity, &tuple)) { + if (enif_is_list(env, tuple[2])) { + enif_get_list_length(env, tuple[2], &len); + } else { + enif_get_uint(env, tuple[2], &len); + } + lttng_mfa_to_str(tuple[0], tuple[1], len, mfa); + LTTNG3(function_call, pid, mfa, 0); + } else { + LTTNG3(function_call, pid, undef, 0); + } + } else if (argv[0] == atom_return_from) { + const ERL_NIF_TERM* tuple; + int arity; + lttng_decl_mfabuf(mfa); + + if (enif_get_tuple(env, argv[3], &arity, &tuple)) { + enif_get_uint(env, tuple[2], &len); + lttng_mfa_to_str(tuple[0], tuple[1], len, mfa); + LTTNG3(function_return, pid, mfa, 0); + } else { + LTTNG3(function_return, pid, undef, 0); + } + } else if (argv[0] == atom_return_to) { + const ERL_NIF_TERM* tuple; + int arity; + lttng_decl_mfabuf(mfa); + + if (enif_get_tuple(env, argv[3], &arity, &tuple)) { + enif_get_uint(env, tuple[2], &len); + lttng_mfa_to_str(tuple[0], tuple[1], len, mfa); + LTTNG3(function_return, pid, mfa, 0); + } else { + LTTNG3(function_return, pid, undef, 0); + } + } else if (argv[0] == atom_exception_from) { + const ERL_NIF_TERM* tuple; + int arity; + lttng_decl_mfabuf(mfa); + char class[LTTNG_BUFFER_SZ]; + + enif_get_tuple(env, argv[4], &arity, &tuple); + erts_snprintf(class, LTTNG_BUFFER_SZ, "%T", tuple[0]); + + if (enif_get_tuple(env, argv[3], &arity, &tuple)) { + enif_get_uint(env, tuple[2], &len); + lttng_mfa_to_str(tuple[0], tuple[1], len, mfa); + LTTNG3(function_exception, pid, mfa, class); + } else { + LTTNG3(function_exception, pid, undef, class); + } + } + return atom_ok; +} + +static ERL_NIF_TERM enabled_send(ErlNifEnv *env, int argc, const ERL_NIF_TERM argv[]) +{ + ASSERT(argc == 3); + if (LTTNG_ENABLED(message_send)) + return atom_trace; + + return atom_discard; +} + +static ERL_NIF_TERM trace_send(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]) +{ + lttng_decl_procbuf(pid); + lttng_pid_to_str(argv[2], pid); + + if (argv[0] == atom_send) { + lttng_decl_procbuf(to); + char msg[LTTNG_BUFFER_SZ]; + + lttng_pid_to_str(argv[4], to); + erts_snprintf(msg, LTTNG_BUFFER_SZ, "%T", argv[3]); + + LTTNG3(message_send, pid, to, msg); + } else if (argv[0] == atom_send_to_non_existing_process) { + lttng_decl_procbuf(to); + char msg[LTTNG_BUFFER_SZ]; + + lttng_pid_to_str(argv[4], to); + erts_snprintf(msg, LTTNG_BUFFER_SZ, "%T", argv[3]); + /* mark it as non existing ? */ + + LTTNG3(message_send, pid, to, msg); + } + return atom_ok; +} + +static ERL_NIF_TERM enabled_receive(ErlNifEnv *env, int argc, const ERL_NIF_TERM argv[]) +{ + if (LTTNG_ENABLED(message_receive)) + return atom_trace; + + return atom_discard; +} + +static ERL_NIF_TERM trace_receive(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]) +{ + if (argv[0] == atom_receive) { + lttng_decl_procbuf(pid); + char msg[LTTNG_BUFFER_SZ]; + + lttng_pid_to_str(argv[2], pid); + erts_snprintf(msg, LTTNG_BUFFER_SZ, "%T", argv[3]); + + LTTNG2(message_receive, pid, msg); + } + return atom_ok; +} + +static ERL_NIF_TERM enabled_procs(ErlNifEnv *env, int argc, const ERL_NIF_TERM argv[]) +{ + ASSERT(argc == 3); + + if (argv[0] == atom_spawn && LTTNG_ENABLED(process_spawn)) { + return atom_trace; + } else if (argv[0] == atom_register && LTTNG_ENABLED(process_register)) { + return atom_trace; + } else if (argv[0] == atom_unregister && LTTNG_ENABLED(process_register)) { + return atom_trace; + } else if (argv[0] == atom_link && LTTNG_ENABLED(process_link)) { + return atom_trace; + } else if (argv[0] == atom_unlink && LTTNG_ENABLED(process_link)) { + return atom_trace; + } else if (argv[0] == atom_getting_linked && LTTNG_ENABLED(process_link)) { + return atom_trace; + } else if (argv[0] == atom_getting_unlinked && LTTNG_ENABLED(process_link)) { + return atom_trace; + } else if (argv[0] == atom_exit && LTTNG_ENABLED(process_exit)) { + return atom_trace; + } + + return atom_discard; +} + +static ERL_NIF_TERM trace_procs(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]) +{ + lttng_decl_procbuf(pid); + lttng_decl_procbuf(to); + + lttng_pid_to_str(argv[2], pid); + + /* spawn */ + if (argv[0] == atom_spawn) { + char undef[] = "undefined"; + const ERL_NIF_TERM* tuple; + int arity; + unsigned int len; + lttng_decl_mfabuf(mfa); + + lttng_pid_to_str(argv[3], to); + + if (enif_get_tuple(env, argv[4], &arity, &tuple)) { + if (enif_is_list(env, tuple[2])) { + enif_get_list_length(env, tuple[2], &len); + } else { + enif_get_uint(env, tuple[2], &len); + } + lttng_mfa_to_str(tuple[0], tuple[1], len, mfa); + LTTNG3(process_spawn, to, pid, mfa); + } else { + LTTNG3(process_spawn, to, pid, undef); + } + + /* register */ + } else if (argv[0] == atom_register) { + char name[LTTNG_BUFFER_SZ]; + erts_snprintf(name, LTTNG_BUFFER_SZ, "%T", argv[3]); + LTTNG3(process_register, pid, name, "register"); + } else if (argv[0] == atom_unregister) { + char name[LTTNG_BUFFER_SZ]; + erts_snprintf(name, LTTNG_BUFFER_SZ, "%T", argv[3]); + LTTNG3(process_register, pid, name, "unregister"); + /* link */ + } else if (argv[0] == atom_link) { + lttng_pid_to_str(argv[3], to); + LTTNG3(process_link, pid, to, "link"); + } else if (argv[0] == atom_unlink) { + lttng_pid_to_str(argv[3], to); + LTTNG3(process_link, pid, to, "unlink"); + } else if (argv[0] == atom_getting_linked) { + lttng_pid_to_str(argv[3], to); + LTTNG3(process_link, to, pid, "link"); + } else if (argv[0] == atom_getting_unlinked) { + lttng_pid_to_str(argv[3], to); + LTTNG3(process_link, to, pid, "unlink"); + /* exit */ + } else if (argv[0] == atom_exit) { + char reason[LTTNG_BUFFER_SZ]; + erts_snprintf(reason, LTTNG_BUFFER_SZ, "%T", argv[3]); + LTTNG2(process_exit, pid, reason); + } + return atom_ok; +} + +static ERL_NIF_TERM enabled_ports(ErlNifEnv *env, int argc, const ERL_NIF_TERM argv[]) +{ + ASSERT(argc == 3); + + if (argv[0] == atom_open && LTTNG_ENABLED(port_open)) { + return atom_trace; + } else if (argv[0] == atom_link && LTTNG_ENABLED(port_link)) { + return atom_trace; + } else if (argv[0] == atom_unlink && LTTNG_ENABLED(port_link)) { + return atom_trace; + } else if (argv[0] == atom_getting_linked && LTTNG_ENABLED(port_link)) { + return atom_trace; + } else if (argv[0] == atom_getting_unlinked && LTTNG_ENABLED(port_link)) { + return atom_trace; + } else if (argv[0] == atom_closed && LTTNG_ENABLED(port_exit)) { + return atom_trace; + } + + return atom_discard; +} + +static ERL_NIF_TERM trace_ports(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]) +{ + lttng_decl_portbuf(port); + lttng_decl_procbuf(to); + + lttng_portid_to_str(argv[2], port); + + /* open and closed */ + if (argv[0] == atom_open) { + char driver[LTTNG_BUFFER_SZ]; + lttng_decl_procbuf(pid); + lttng_pid_to_str(argv[3], pid); + + erts_snprintf(driver, LTTNG_BUFFER_SZ, "%T", argv[4]); + LTTNG3(port_open, pid, driver, port); + } else if (argv[0] == atom_closed) { + char reason[LTTNG_BUFFER_SZ]; + erts_snprintf(reason, LTTNG_BUFFER_SZ, "%T", argv[3]); + + LTTNG2(port_exit, port, reason); + /* link */ + } else if (argv[0] == atom_link) { + lttng_pid_to_str(argv[3], to); + LTTNG3(port_link, port, to, "link"); + } else if (argv[0] == atom_unlink) { + lttng_pid_to_str(argv[3], to); + LTTNG3(port_link, port, to, "unlink"); + } else if (argv[0] == atom_getting_linked) { + lttng_pid_to_str(argv[3], to); + LTTNG3(port_link, to, port, "link"); + } else if (argv[0] == atom_getting_unlinked) { + lttng_pid_to_str(argv[3], to); + LTTNG3(port_link, to, port, "unlink"); + } + return atom_ok; +} + +static ERL_NIF_TERM enabled_running_procs(ErlNifEnv *env, int argc, const ERL_NIF_TERM argv[]) +{ + ASSERT(argc == 3); + + if (LTTNG_ENABLED(process_scheduled)) + return atom_trace; + + return atom_discard; +} + +static ERL_NIF_TERM trace_running_procs(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]) +{ + lttng_decl_procbuf(pid); + const ERL_NIF_TERM* tuple; + char *mfastr = "undefined"; + int arity; + lttng_decl_mfabuf(mfa); + + lttng_pid_to_str(argv[2], pid); + + if (enif_get_tuple(env, argv[3], &arity, &tuple)) { + int val; + enif_get_int(env, tuple[2], &val); + lttng_mfa_to_str(tuple[0], tuple[1], val, mfa); + mfastr = mfa; + } + /* running processes */ + if (argv[0] == atom_in) { + LTTNG3(process_scheduled, pid, mfastr, "in"); + } else if (argv[0] == atom_out) { + LTTNG3(process_scheduled, pid, mfastr, "out"); + /* exiting */ + } else if (argv[0] == atom_in_exiting) { + LTTNG3(process_scheduled, pid, mfastr, "in_exiting"); + } else if (argv[0] == atom_out_exiting) { + LTTNG3(process_scheduled, pid, mfastr, "out_exiting"); + } else if (argv[0] == atom_out_exited) { + LTTNG3(process_scheduled, pid, mfastr, "out_exited"); + } + + return atom_ok; +} + +static ERL_NIF_TERM enabled_running_ports(ErlNifEnv *env, int argc, const ERL_NIF_TERM argv[]) +{ + ASSERT(argc == 3); + + if (LTTNG_ENABLED(port_scheduled)) + return atom_trace; + + return atom_discard; +} + +static ERL_NIF_TERM trace_running_ports(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]) +{ + lttng_decl_procbuf(pid); + lttng_decl_mfabuf(where); + + lttng_portid_to_str(argv[2], pid); + erts_snprintf(where, LTTNG_BUFFER_SZ, "%T", argv[3]); + + /* running ports */ + if (argv[0] == atom_in) { + LTTNG3(port_scheduled, pid, where, "in"); + } else if (argv[0] == atom_out) { + LTTNG3(port_scheduled, pid, where, "out"); + /* exiting */ + } else if (argv[0] == atom_in_exiting) { + LTTNG3(port_scheduled, pid, where, "in_exiting"); + } else if (argv[0] == atom_out_exiting) { + LTTNG3(port_scheduled, pid, where, "out_exiting"); + } else if (argv[0] == atom_out_exited) { + LTTNG3(port_scheduled, pid, where, "out_exited"); + } + return atom_ok; +} +#endif diff --git a/lib/runtime_tools/c_src/dyntrace_lttng.h b/lib/runtime_tools/c_src/dyntrace_lttng.h new file mode 100644 index 0000000000..3550a1cab5 --- /dev/null +++ b/lib/runtime_tools/c_src/dyntrace_lttng.h @@ -0,0 +1,367 @@ +/* + * %CopyrightBegin% + * + * Copyright Ericsson AB 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% + */ + +#undef TRACEPOINT_PROVIDER +#define TRACEPOINT_PROVIDER com_ericsson_dyntrace + +#if !defined(DYNTRACE_LTTNG_H) || defined(TRACEPOINT_HEADER_MULTI_READ) +#define DYNTRACE_LTTNG_H + +#include <lttng/tracepoint.h> + +#define LTTNG1(Name, Arg1) \ + tracepoint(com_ericsson_dyntrace, Name, (Arg1)) + +#define LTTNG2(Name, Arg1, Arg2) \ + tracepoint(com_ericsson_dyntrace, Name, (Arg1), (Arg2)) + +#define LTTNG3(Name, Arg1, Arg2, Arg3) \ + tracepoint(com_ericsson_dyntrace, Name, (Arg1), (Arg2), (Arg3)) + +#define LTTNG4(Name, Arg1, Arg2, Arg3, Arg4) \ + tracepoint(com_ericsson_dyntrace, Name, (Arg1), (Arg2), (Arg3), (Arg4)) + +#define LTTNG5(Name, Arg1, Arg2, Arg3, Arg4, Arg5) \ + tracepoint(com_ericsson_dyntrace, Name, (Arg1), (Arg2), (Arg3), (Arg4), (Arg5)) + +#define LTTNG_ENABLED(Name) \ + tracepoint_enabled(com_ericsson_dyntrace, Name) + +#define LTTNG_BUFFER_SZ (256) +#define LTTNG_PROC_BUFFER_SZ (16) +#define LTTNG_PORT_BUFFER_SZ (20) +#define LTTNG_MFA_BUFFER_SZ (256) + +#define lttng_decl_procbuf(Name) \ + char Name[LTTNG_PROC_BUFFER_SZ] + +#define lttng_decl_portbuf(Name) \ + char Name[LTTNG_PORT_BUFFER_SZ] + +#define lttng_decl_mfabuf(Name) \ + char Name[LTTNG_MFA_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) + +#define lttng_mfa_to_str(m,f,a, Name) \ + erts_snprintf(Name, LTTNG_MFA_BUFFER_SZ, "%T:%T/%lu", (Eterm)(m), (Eterm)(f), (Uint)(a)) + +/* Process scheduling */ + +TRACEPOINT_EVENT( + com_ericsson_dyntrace, + process_spawn, + TP_ARGS( + char*, p, + char*, parent, + char*, mfa + ), + TP_FIELDS( + ctf_string(pid, p) + ctf_string(parent, parent) + ctf_string(entry, mfa) + ) +) + +TRACEPOINT_EVENT( + com_ericsson_dyntrace, + process_link, + TP_ARGS( + char*, from, + char*, to, + char*, type + ), + TP_FIELDS( + ctf_string(from, from) + ctf_string(to, to) + ctf_string(type, type) + ) +) + +TRACEPOINT_EVENT( + com_ericsson_dyntrace, + process_exit, + TP_ARGS( + char*, p, + char*, reason + ), + TP_FIELDS( + ctf_string(pid, p) + ctf_string(reason, reason) + ) +) + +TRACEPOINT_EVENT( + com_ericsson_dyntrace, + process_register, + TP_ARGS( + char*, pid, + char*, name, + char*, type + ), + TP_FIELDS( + ctf_string(pid, pid) + ctf_string(name, name) + ctf_string(type, type) + ) +) + +/* Scheduled */ + +TRACEPOINT_EVENT( + com_ericsson_dyntrace, + process_scheduled, + TP_ARGS( + char*, p, + char*, mfa, + char*, type + ), + TP_FIELDS( + ctf_string(pid, p) + ctf_string(entry, mfa) + ctf_string(type, type) + ) +) + +/* Ports */ + + +TRACEPOINT_EVENT( + com_ericsson_dyntrace, + port_open, + TP_ARGS( + char*, pid, + char*, driver, + char*, port + ), + TP_FIELDS( + ctf_string(pid, pid) + ctf_string(driver, driver) + ctf_string(port, port) + ) +) + +TRACEPOINT_EVENT( + com_ericsson_dyntrace, + port_exit, + TP_ARGS( + char*, port, + char*, reason + ), + TP_FIELDS( + ctf_string(port, port) + ctf_string(reason, reason) + ) +) + +TRACEPOINT_EVENT( + com_ericsson_dyntrace, + port_link, + TP_ARGS( + char*, from, + char*, to, + char*, type + ), + TP_FIELDS( + ctf_string(from, from) + ctf_string(to, to) + ctf_string(type, type) + ) +) + +TRACEPOINT_EVENT( + com_ericsson_dyntrace, + port_scheduled, + TP_ARGS( + char*, p, + char*, op, + char*, type + ), + TP_FIELDS( + ctf_string(pid, p) + ctf_string(entry, op) + ctf_string(type, type) + ) +) + +/* Call tracing */ + +TRACEPOINT_EVENT( + com_ericsson_dyntrace, + function_call, + TP_ARGS( + char*, pid, + char*, mfa, + unsigned int, depth + ), + TP_FIELDS( + ctf_string(pid, pid) + ctf_string(entry, mfa) + ctf_integer(unsigned int, depth, depth) + ) +) + +TRACEPOINT_EVENT( + com_ericsson_dyntrace, + function_return, + TP_ARGS( + char*, pid, + char*, mfa, + unsigned int, depth + ), + TP_FIELDS( + ctf_string(pid, pid) + ctf_string(entry, mfa) + ctf_integer(unsigned int, depth, depth) + ) +) + +TRACEPOINT_EVENT( + com_ericsson_dyntrace, + function_exception, + TP_ARGS( + char*, pid, + char*, mfa, + char*, type + ), + TP_FIELDS( + ctf_string(pid, pid) + ctf_string(entry, mfa) + ctf_string(class, type) + ) +) + +/* Process messages */ + +TRACEPOINT_EVENT( + com_ericsson_dyntrace, + message_send, + TP_ARGS( + char*, sender, + char*, receiver, + char*, msg + ), + TP_FIELDS( + ctf_string(from, sender) + ctf_string(to, receiver) + ctf_string(message, msg) + ) +) + +TRACEPOINT_EVENT( + com_ericsson_dyntrace, + message_receive, + TP_ARGS( + char*, receiver, + char*, msg + ), + TP_FIELDS( + ctf_string(to, receiver) + ctf_string(message, msg) + ) +) + +/* Process Memory */ + +TRACEPOINT_EVENT( + com_ericsson_dyntrace, + gc_minor_start, + TP_ARGS( + char*, p, + unsigned long, need, + unsigned long, nh, + unsigned long, oh + ), + TP_FIELDS( + ctf_string(pid, p) + ctf_integer(unsigned long, need, need) + ctf_integer(unsigned long, heap, nh) + ctf_integer(unsigned long, old_heap, oh) + ) +) + +TRACEPOINT_EVENT( + com_ericsson_dyntrace, + gc_minor_end, + TP_ARGS( + char*, p, + unsigned long, reclaimed, + unsigned long, nh, + unsigned long, oh + ), + TP_FIELDS( + ctf_string(pid, p) + ctf_integer(unsigned long, reclaimed, reclaimed) + ctf_integer(unsigned long, heap, nh) + ctf_integer(unsigned long, old_heap, oh) + ) +) + +TRACEPOINT_EVENT( + com_ericsson_dyntrace, + gc_major_start, + TP_ARGS( + char*, p, + unsigned long, need, + unsigned long, nh, + unsigned long, oh + ), + TP_FIELDS( + ctf_string(pid, p) + ctf_integer(unsigned long, need, need) + ctf_integer(unsigned long, heap, nh) + ctf_integer(unsigned long, old_heap, oh) + ) +) + +TRACEPOINT_EVENT( + com_ericsson_dyntrace, + gc_major_end, + TP_ARGS( + char*, p, + unsigned long, reclaimed, + unsigned long, nh, + unsigned long, oh + ), + TP_FIELDS( + ctf_string(pid, p) + ctf_integer(unsigned long, reclaimed, reclaimed) + ctf_integer(unsigned long, heap, nh) + ctf_integer(unsigned long, old_heap, oh) + ) +) + +#endif /* DYNTRACE_LTTNG_H */ + +#undef TRACEPOINT_INCLUDE +#define TRACEPOINT_INCLUDE "./dyntrace_lttng.h" + +/* This part must be outside protection */ +#include <lttng/tracepoint-event.h> |