| 1 | /* |
| 2 | * Copyright (C) 2022 Jérémie Galarneau <jeremie.galarneau@efficios.com> |
| 3 | * |
| 4 | * SPDX-License-Identifier: GPL-2.0-only |
| 5 | * |
| 6 | */ |
| 7 | |
| 8 | #include "ust-app.hpp" |
| 9 | #include "ust-registry-session-pid.hpp" |
| 10 | |
| 11 | #include <common/exception.hpp> |
| 12 | #include <lttng/trace-format-descriptor-internal.hpp> |
| 13 | |
| 14 | namespace lst = lttng::sessiond::trace; |
| 15 | namespace lsu = lttng::sessiond::ust; |
| 16 | |
| 17 | lsu::registry_session_per_pid::registry_session_per_pid(const struct ust_app& app, |
| 18 | const struct lst::abi& in_abi, |
| 19 | uint32_t major, |
| 20 | uint32_t minor, |
| 21 | const char *root_shm_path, |
| 22 | const char *shm_path, |
| 23 | uid_t euid, |
| 24 | gid_t egid, |
| 25 | uint64_t tracing_id, |
| 26 | const lttng::trace_format_descriptor& trace_format) : |
| 27 | registry_session{in_abi, major, minor, root_shm_path, shm_path, euid, egid, tracing_id, |
| 28 | trace_format}, |
| 29 | _tracer_patch_level_version{app.version.patchlevel}, |
| 30 | _vpid{app.pid}, |
| 31 | _procname{app.name}, |
| 32 | _app_creation_time{app.registration_time} |
| 33 | { |
| 34 | lttng::pthread::lock_guard registry_lock(_lock); |
| 35 | _generate_metadata(); |
| 36 | } |
| 37 | |
| 38 | lttng_buffer_type lsu::registry_session_per_pid::get_buffering_scheme() const noexcept |
| 39 | { |
| 40 | return LTTNG_BUFFER_PER_PID; |
| 41 | } |
| 42 | |
| 43 | void lsu::registry_session_per_pid::accept(lst::trace_class_environment_visitor& visitor) const |
| 44 | { |
| 45 | registry_session::accept(visitor); |
| 46 | visitor.visit(lst::environment_field<int64_t>("tracer_buffering_id", _vpid)); |
| 47 | visitor.visit(lst::environment_field<int64_t>( |
| 48 | "tracer_patchlevel", _tracer_patch_level_version)); |
| 49 | visitor.visit(lst::environment_field<int64_t>("vpid", _vpid)); |
| 50 | visitor.visit(lst::environment_field<std::string>("procname", _procname)); |
| 51 | visitor.visit(lst::environment_field<std::string>( |
| 52 | "vpid_datetime", lttng::utils::time_to_iso8601_str(_app_creation_time))); |
| 53 | } |