aboutsummaryrefslogtreecommitdiffstats
path: root/erts/emulator
diff options
context:
space:
mode:
Diffstat (limited to 'erts/emulator')
-rw-r--r--erts/emulator/beam/erl_bif_ddll.c2
-rw-r--r--erts/emulator/beam/erl_port_task.c17
-rw-r--r--erts/emulator/beam/erlang_lttng.h249
-rw-r--r--erts/emulator/beam/io.c92
-rw-r--r--erts/emulator/sys/common/erl_check_io.c3
5 files changed, 362 insertions, 1 deletions
diff --git a/erts/emulator/beam/erl_bif_ddll.c b/erts/emulator/beam/erl_bif_ddll.c
index f006856b6a..b526eda41d 100644
--- a/erts/emulator/beam/erl_bif_ddll.c
+++ b/erts/emulator/beam/erl_bif_ddll.c
@@ -48,6 +48,7 @@
#include "erl_version.h"
#include "erl_bif_unique.h"
#include "dtrace-wrapper.h"
+#include "lttng-wrapper.h"
#ifdef ERTS_SMP
#define DDLL_SMP 1
@@ -1619,6 +1620,7 @@ static int do_unload_driver_entry(DE_Handle *dh, Eterm *save_name)
if (q->finish) {
int fpe_was_unmasked = erts_block_fpe();
DTRACE1(driver_finish, q->name);
+ LTTNG1(driver_finish, q->name);
(*(q->finish))();
erts_unblock_fpe(fpe_was_unmasked);
}
diff --git a/erts/emulator/beam/erl_port_task.c b/erts/emulator/beam/erl_port_task.c
index e85395e062..377e47adde 100644
--- a/erts/emulator/beam/erl_port_task.c
+++ b/erts/emulator/beam/erl_port_task.c
@@ -35,6 +35,7 @@
#include "dist.h"
#include "erl_check_io.h"
#include "dtrace-wrapper.h"
+#include "lttng-wrapper.h"
#include <stdarg.h>
/*
@@ -69,6 +70,18 @@ static void chk_task_queues(Port *pp, ErtsPortTask *execq, int processing_busy_q
#else
#define DTRACE_DRIVER(PROBE_NAME, PP) do {} while(0)
#endif
+#ifdef USE_LTTNG_VM_TRACEPOINTS
+#define LTTNG_DRIVER(TRACEPOINT, PP) \
+ if (LTTNG_ENABLED(TRACEPOINT)) { \
+ lttng_decl_portbuf(port_str); \
+ lttng_decl_procbuf(proc_str); \
+ lttng_pid_to_str(ERTS_PORT_GET_CONNECTED(PP), proc_str); \
+ lttng_port_to_str((PP), port_str); \
+ LTTNG3(TRACEPOINT, proc_str, port_str, (PP)->name); \
+ }
+#else
+#define LTTNG_DRIVER(TRACEPOINT, PP) do {} while(0)
+#endif
#define ERTS_SMP_LC_VERIFY_RQ(RQ, PP) \
do { \
@@ -1728,6 +1741,7 @@ erts_port_task_execute(ErtsRunQueue *runq, Port **curr_port_pp)
reds = ERTS_PORT_REDS_TIMEOUT;
if (!(state & ERTS_PORT_SFLGS_DEAD)) {
DTRACE_DRIVER(driver_timeout, pp);
+ LTTNG_DRIVER(driver_timeout, pp);
(*pp->drv_ptr->timeout)((ErlDrvData) pp->drv_data);
}
}
@@ -1736,6 +1750,7 @@ erts_port_task_execute(ErtsRunQueue *runq, Port **curr_port_pp)
reds = ERTS_PORT_REDS_INPUT;
ASSERT((state & ERTS_PORT_SFLGS_DEAD) == 0);
DTRACE_DRIVER(driver_ready_input, pp);
+ LTTNG_DRIVER(driver_ready_input, pp);
/* NOTE some windows drivers use ->ready_input
for input and output */
(*pp->drv_ptr->ready_input)((ErlDrvData) pp->drv_data,
@@ -1747,6 +1762,7 @@ erts_port_task_execute(ErtsRunQueue *runq, Port **curr_port_pp)
reds = ERTS_PORT_REDS_OUTPUT;
ASSERT((state & ERTS_PORT_SFLGS_DEAD) == 0);
DTRACE_DRIVER(driver_ready_output, pp);
+ LTTNG_DRIVER(driver_ready_output, pp);
(*pp->drv_ptr->ready_output)((ErlDrvData) pp->drv_data,
ptp->u.alive.td.io.event);
reset_executed_io_task_handle(ptp);
@@ -1756,6 +1772,7 @@ erts_port_task_execute(ErtsRunQueue *runq, Port **curr_port_pp)
reds = ERTS_PORT_REDS_EVENT;
ASSERT((state & ERTS_PORT_SFLGS_DEAD) == 0);
DTRACE_DRIVER(driver_event, pp);
+ LTTNG_DRIVER(driver_event, pp);
(*pp->drv_ptr->event)((ErlDrvData) pp->drv_data,
ptp->u.alive.td.io.event,
ptp->u.alive.td.io.event_data);
diff --git a/erts/emulator/beam/erlang_lttng.h b/erts/emulator/beam/erlang_lttng.h
index 5b5dc5548e..b5cd90d93e 100644
--- a/erts/emulator/beam/erlang_lttng.h
+++ b/erts/emulator/beam/erlang_lttng.h
@@ -59,6 +59,255 @@ typedef struct {
#endif
+/* Port and Driver Scheduling */
+
+TRACEPOINT_EVENT(
+ com_ericsson_otp,
+ driver_start,
+ 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_otp,
+ driver_init,
+ TP_ARGS(
+ char*, driver,
+ int, major,
+ int, minor,
+ int, flags
+ ),
+ TP_FIELDS(
+ ctf_string(driver, driver)
+ ctf_integer(int, major, major)
+ ctf_integer(int, minor, minor)
+ ctf_integer(int, flags, flags)
+ )
+)
+
+TRACEPOINT_EVENT(
+ com_ericsson_otp,
+ driver_outputv,
+ TP_ARGS(
+ char*, pid,
+ char*, port,
+ char*, driver,
+ size_t, bytes
+ ),
+ TP_FIELDS(
+ ctf_string(pid, pid)
+ ctf_string(port, port)
+ ctf_string(driver, driver)
+ ctf_integer(size_t, bytes, bytes)
+ )
+)
+
+TRACEPOINT_EVENT(
+ com_ericsson_otp,
+ driver_output,
+ TP_ARGS(
+ char*, pid,
+ char*, port,
+ char*, driver,
+ size_t, bytes
+ ),
+ TP_FIELDS(
+ ctf_string(pid, pid)
+ ctf_string(port, port)
+ ctf_string(driver, driver)
+ ctf_integer(size_t, bytes, bytes)
+ )
+)
+
+TRACEPOINT_EVENT(
+ com_ericsson_otp,
+ driver_ready_input,
+ TP_ARGS(
+ char*, pid,
+ char*, port,
+ char*, driver
+ ),
+ TP_FIELDS(
+ ctf_string(pid, pid)
+ ctf_string(port, port)
+ ctf_string(driver, driver)
+ )
+)
+
+TRACEPOINT_EVENT(
+ com_ericsson_otp,
+ driver_ready_output,
+ TP_ARGS(
+ char*, pid,
+ char*, port,
+ char*, driver
+ ),
+ TP_FIELDS(
+ ctf_string(pid, pid)
+ ctf_string(port, port)
+ ctf_string(driver, driver)
+ )
+)
+
+TRACEPOINT_EVENT(
+ com_ericsson_otp,
+ driver_event,
+ TP_ARGS(
+ char*, pid,
+ char*, port,
+ char*, driver
+ ),
+ TP_FIELDS(
+ ctf_string(pid, pid)
+ ctf_string(port, port)
+ ctf_string(driver, driver)
+ )
+)
+
+TRACEPOINT_EVENT(
+ com_ericsson_otp,
+ driver_timeout,
+ TP_ARGS(
+ char*, pid,
+ char*, port,
+ char*, driver
+ ),
+ TP_FIELDS(
+ ctf_string(pid, pid)
+ ctf_string(port, port)
+ ctf_string(driver, driver)
+ )
+)
+
+TRACEPOINT_EVENT(
+ com_ericsson_otp,
+ driver_stop_select,
+ TP_ARGS(
+ char*, driver
+ ),
+ TP_FIELDS(
+ ctf_string(driver, driver)
+ )
+)
+
+TRACEPOINT_EVENT(
+ com_ericsson_otp,
+ driver_flush,
+ TP_ARGS(
+ char*, pid,
+ char*, port,
+ char*, driver
+ ),
+ TP_FIELDS(
+ ctf_string(pid, pid)
+ ctf_string(port, port)
+ ctf_string(driver, driver)
+ )
+)
+
+TRACEPOINT_EVENT(
+ com_ericsson_otp,
+ driver_stop,
+ 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_otp,
+ driver_process_exit,
+ TP_ARGS(
+ char*, pid,
+ char*, port,
+ char*, driver
+ ),
+ TP_FIELDS(
+ ctf_string(pid, pid)
+ ctf_string(port, port)
+ ctf_string(driver, driver)
+ )
+)
+
+TRACEPOINT_EVENT(
+ com_ericsson_otp,
+ driver_ready_async,
+ TP_ARGS(
+ char*, pid,
+ char*, port,
+ char*, driver
+ ),
+ TP_FIELDS(
+ ctf_string(pid, pid)
+ ctf_string(port, port)
+ ctf_string(driver, driver)
+ )
+)
+
+TRACEPOINT_EVENT(
+ com_ericsson_otp,
+ driver_finish,
+ TP_ARGS(
+ char*, driver
+ ),
+ TP_FIELDS(
+ ctf_string(driver, driver)
+ )
+)
+
+TRACEPOINT_EVENT(
+ com_ericsson_otp,
+ driver_call,
+ TP_ARGS(
+ char*, pid,
+ char*, port,
+ char*, driver,
+ unsigned int, command,
+ size_t, bytes
+ ),
+ TP_FIELDS(
+ ctf_string(pid, pid)
+ ctf_string(port, port)
+ ctf_string(driver, driver)
+ ctf_integer(unsigned int, command, command)
+ ctf_integer(size_t, bytes, bytes)
+ )
+)
+
+TRACEPOINT_EVENT(
+ com_ericsson_otp,
+ driver_control,
+ TP_ARGS(
+ char*, pid,
+ char*, port,
+ char*, driver,
+ unsigned int, command,
+ size_t, bytes
+ ),
+ TP_FIELDS(
+ ctf_string(pid, pid)
+ ctf_string(port, port)
+ ctf_string(driver, driver)
+ ctf_integer(unsigned int, command, command)
+ ctf_integer(size_t, bytes, bytes)
+ )
+)
+
+
/* Memory Allocator */
TRACEPOINT_EVENT(
diff --git a/erts/emulator/beam/io.c b/erts/emulator/beam/io.c
index 797e4cdadc..b213be23db 100644
--- a/erts/emulator/beam/io.c
+++ b/erts/emulator/beam/io.c
@@ -47,6 +47,7 @@
#define ERTS_WANT_EXTERNAL_TAGS
#include "external.h"
#include "dtrace-wrapper.h"
+#include "lttng-wrapper.h"
#include "erl_map.h"
#include "erl_bif_unique.h"
#include "erl_hl_timer.h"
@@ -717,7 +718,19 @@ erts_open_driver(erts_driver_t* driver, /* Pointer to driver. */
DTRACE3(driver_start, process_str, driver->name, port_str);
}
#endif
+
ERTS_MSACC_SET_STATE_CACHED_M(ERTS_MSACC_STATE_PORT);
+
+#ifdef USE_LTTNG_VM_TRACEPOINTS
+ if (LTTNG_ENABLED(driver_start)) {
+ lttng_decl_portbuf(port_str);
+ lttng_decl_procbuf(proc_str);
+ lttng_pid_to_str(pid, proc_str);
+ lttng_port_to_str(port, port_str);
+ LTTNG3(driver_start, proc_str, driver->name, port_str);
+ }
+#endif
+
fpe_was_unmasked = erts_block_fpe();
drv_data = (*driver->start)(ERTS_Port2ErlDrvPort(port), name, opts);
if (((SWord) drv_data) == -1)
@@ -1724,6 +1737,15 @@ call_driver_outputv(int bang_op,
DTRACE4(driver_outputv, process_str, port_str, prt->name, size);
}
#endif
+#ifdef USE_LTTNG_VM_TRACEPOINTS
+ if (LTTNG_ENABLED(driver_outputv)) {
+ lttng_decl_portbuf(port_str);
+ lttng_decl_procbuf(proc_str);
+ lttng_pid_to_str(caller, proc_str);
+ lttng_port_to_str(prt, port_str);
+ LTTNG4(driver_outputv, proc_str, port_str, prt->name, size);
+ }
+#endif
prt->caller = caller;
(*drv->outputv)((ErlDrvData) prt->drv_data, evp);
@@ -1826,6 +1848,15 @@ call_driver_output(int bang_op,
DTRACE4(driver_output, process_str, port_str, prt->name, size);
}
#endif
+#ifdef USE_LTTNG_VM_TRACEPOINTS
+ if (LTTNG_ENABLED(driver_output)) {
+ lttng_decl_portbuf(port_str);
+ lttng_decl_procbuf(proc_str);
+ lttng_pid_to_str(caller, proc_str);
+ lttng_port_to_str(prt, port_str);
+ LTTNG4(driver_output, proc_str, port_str, prt->name, size);
+ }
+#endif
prt->caller = caller;
(*drv->output)((ErlDrvData) prt->drv_data, bufp, size);
@@ -1949,7 +1980,6 @@ erts_port_output(Process *c_p,
DTRACE4(port_command, process_str, port_str, prt->name, "command");
}
#endif
-
if (drv->outputv) {
ErlIOVec ev;
SysIOVec iv[SMALL_WRITE_VEC];
@@ -3489,6 +3519,17 @@ static void flush_port(Port *p)
DTRACE3(driver_flush, process_str, port_str, p->name);
}
#endif
+#ifdef USE_LTTNG_VM_TRACEPOINTS
+ if (LTTNG_ENABLED(driver_flush)) {
+ lttng_decl_portbuf(port_str);
+ lttng_decl_procbuf(proc_str);
+ lttng_pid_to_str(ERTS_PORT_GET_CONNECTED(p), proc_str);
+ lttng_port_to_str(p, port_str);
+ LTTNG3(driver_flush, proc_str, port_str, p->name);
+ }
+#endif
+
+
if (IS_TRACED_FL(p, F_TRACE_SCHED_PORTS)) {
trace_sched_ports_where(p, am_in, am_flush);
}
@@ -3551,6 +3592,16 @@ terminate_port(Port *prt)
DTRACE3(driver_stop, process_str, drv->name, port_str);
}
#endif
+#ifdef USE_LTTNG_VM_TRACEPOINTS
+ if (LTTNG_ENABLED(driver_stop)) {
+ lttng_decl_portbuf(port_str);
+ lttng_decl_procbuf(proc_str);
+ lttng_pid_to_str(connected_id, proc_str);
+ lttng_port_to_str(prt, port_str);
+ LTTNG3(driver_stop, proc_str, drv->name, port_str);
+ }
+#endif
+
(*drv->stop)((ErlDrvData)prt->drv_data);
erts_unblock_fpe(fpe_was_unmasked);
ERTS_MSACC_POP_STATE_M();
@@ -3881,6 +3932,16 @@ call_driver_control(Eterm caller,
ERTS_MSACC_SET_STATE_CACHED_M(ERTS_MSACC_STATE_PORT);
+#ifdef USE_LTTNG_VM_TRACEPOINTS
+ if (LTTNG_ENABLED(driver_control)) {
+ lttng_decl_procbuf(proc_str);
+ lttng_decl_portbuf(port_str);
+ lttng_pid_to_str(caller, proc_str);
+ lttng_port_to_str(prt, port_str);
+ LTTNG5(driver_control, proc_str, port_str, prt->name, command, size);
+ }
+#endif
+
prt->caller = caller;
cres = prt->drv_ptr->control((ErlDrvData) prt->drv_data,
command,
@@ -4294,6 +4355,15 @@ call_driver_call(Eterm caller,
DTRACE5(driver_call, process_str, port_str, prt->name, command, size);
}
#endif
+#ifdef USE_LTTNG_VM_TRACEPOINTS
+ if (LTTNG_ENABLED(driver_call)) {
+ lttng_decl_procbuf(proc_str);
+ lttng_decl_portbuf(port_str);
+ lttng_pid_to_str(caller,proc_str);
+ lttng_port_to_str(prt, port_str);
+ LTTNG5(driver_call, proc_str, port_str, prt->name, command, size);
+ }
+#endif
ERTS_MSACC_SET_STATE_CACHED_M(ERTS_MSACC_STATE_PORT);
@@ -5056,6 +5126,15 @@ int async_ready(Port *p, void* data)
DTRACE3(driver_ready_async, process_str, port_str, p->name);
}
#endif
+#ifdef USE_LTTNG_VM_TRACEPOINTS
+ if (LTTNG_ENABLED(driver_ready_async)) {
+ lttng_decl_portbuf(port_str);
+ lttng_decl_procbuf(proc_str);
+ lttng_pid_to_str(ERTS_PORT_GET_CONNECTED(p), proc_str);
+ lttng_port_to_str(p, port_str);
+ LTTNG3(driver_ready_async, proc_str, port_str, p->name);
+ }
+#endif
(*p->drv_ptr->ready_async)((ErlDrvData)p->drv_data, data);
need_free = 0;
ERTS_MSACC_POP_STATE_M();
@@ -7102,6 +7181,15 @@ void erts_fire_port_monitor(Port *prt, Eterm ref)
DTRACE3(driver_process_exit, process_str, port_str, prt->name);
}
#endif
+#ifdef USE_LTTNG_VM_TRACEPOINTS
+ if (LTTNG_ENABLED(driver_process_exit)) {
+ lttng_decl_portbuf(port_str);
+ lttng_decl_procbuf(proc_str);
+ lttng_pid_to_str(ERTS_PORT_GET_CONNECTED(prt), proc_str);
+ lttng_port_to_str(prt, port_str);
+ LTTNG3(driver_process_exit, proc_str, port_str, prt->name);
+ }
+#endif
fpe_was_unmasked = erts_block_fpe();
(*callback)((ErlDrvData) (prt->drv_data), &drv_monitor);
erts_unblock_fpe(fpe_was_unmasked);
@@ -7579,6 +7667,8 @@ init_driver(erts_driver_t *drv, ErlDrvEntry *de, DE_Handle *handle)
int fpe_was_unmasked = erts_block_fpe();
DTRACE4(driver_init, drv->name, drv->version.major, drv->version.minor,
drv->flags);
+ LTTNG4(driver_init, drv->name, drv->version.major, drv->version.minor,
+ drv->flags);
res = (*de->init)();
erts_unblock_fpe(fpe_was_unmasked);
return res;
diff --git a/erts/emulator/sys/common/erl_check_io.c b/erts/emulator/sys/common/erl_check_io.c
index f87196d724..0d5043fa2a 100644
--- a/erts/emulator/sys/common/erl_check_io.c
+++ b/erts/emulator/sys/common/erl_check_io.c
@@ -39,6 +39,7 @@
#include "erl_check_io.h"
#include "erl_thr_progress.h"
#include "dtrace-wrapper.h"
+#include "lttng-wrapper.h"
#define ERTS_WANT_TIMER_WHEEL_API
#include "erl_time.h"
@@ -395,6 +396,7 @@ forget_removed(struct pollset_info* psi)
if (drv_ptr) {
int was_unmasked = erts_block_fpe();
DTRACE1(driver_stop_select, drv_ptr->name);
+ LTTNG1(driver_stop_select, drv_ptr->name);
(*drv_ptr->stop_select) ((ErlDrvEvent) fd, NULL);
erts_unblock_fpe(was_unmasked);
if (drv_ptr->handle) {
@@ -1055,6 +1057,7 @@ done_unknown:
if (stop_select_fn) {
int was_unmasked = erts_block_fpe();
DTRACE1(driver_stop_select, name);
+ LTTNG1(driver_stop_select, "unknown");
(*stop_select_fn)(e, NULL);
erts_unblock_fpe(was_unmasked);
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-22 20:52:13 +0000