#!/usr/bin/env bpftrace

BEGIN
{
    printf("Tracing Julia Task events... Hit Ctrl-C to end.\n");
}

usdt:usr/lib/libjulia-internal.so:julia:rt__run__task
{
    printf("Task running: %x\n", arg0);
}

usdt:usr/lib/libjulia-internal.so:julia:rt__pause__task
{
    printf("Task pausing: %x\n", arg0);
}

usdt:usr/lib/libjulia-internal.so:julia:rt__new__task
{
    printf("Task created: %x (Parent %x)\n", arg1, arg0);
}

usdt:usr/lib/libjulia-internal.so:julia:rt__start__task
{
    printf("Task started: %x\n", arg0);
}

usdt:usr/lib/libjulia-internal.so:julia:rt__finish__task
{
    printf("Task finished: %x\n", arg0);
}

usdt:usr/lib/libjulia-internal.so:julia:rt__start__process__events
{
    printf("Task processing libuv events: %x\n", arg0);
}

usdt:usr/lib/libjulia-internal.so:julia:rt__finish__process__events
{
    printf("Task processed libuv events: %x\n", arg0);
}

usdt:usr/lib/libjulia-internal.so:julia:rt__taskq__insert
{
    printf("Thread %x inserting task to multiq: %x\n", arg0, arg1);
}

usdt:usr/lib/libjulia-internal.so:julia:rt__taskq__get
{
    printf("Thread %x popped task from multiq: %x\n", arg0, arg1);
}

usdt:usr/lib/libjulia-internal.so:julia:rt__sleep__check__wake
{
    printf("Thread waking: %x (was sleeping?: %d)\n", arg0, arg1);
}

usdt:usr/lib/libjulia-internal.so:julia:rt__sleep__check__wakeup
{
    printf("Thread wakeup: %x\n", arg0);
}

usdt:usr/lib/libjulia-internal.so:julia:rt__sleep__check__sleep
{
    printf("Thread trying to sleep: %x\n", arg0);
}

usdt:usr/lib/libjulia-internal.so:julia:rt__sleep__check__taskq__wake
{
    printf("Thread waking due to non-empty task queue: %x\n", arg0);
}

usdt:usr/lib/libjulia-internal.so:julia:rt__sleep__check__task__wake
{
    printf("Thread waking due to popped task: %x\n", arg0);
}

usdt:usr/lib/libjulia-internal.so:julia:rt__sleep__check__uv__wake
{
    printf("Thread waking due to libuv: %x\n", arg0);
}