RGBCube/serenity
1
Fork 0
mirror of https://github.com/RGBCube/serenity synced 2025-07-25 20:17:44 +00:00
Code Issues Activity Actions

Kernel+ProfileViewer: Display additional filesystem events

Browse source
This commit is contained in:
Jakub Berkop 2023-08-25 23:47:42 +02:00 • committed by Andrew Kaster
parent c184a0786f
commit 54e79aa1d9
16 changed files with 655 additions and 135 deletions
Download patch file Download diff file Expand all files Collapse all files

35
Kernel/Tasks/PerformanceManager.h
View file

@ -1,5 +1,6 @@
/*
* Copyright (c) 2021, Brian Gianforcaro <bgianf@serenityos.org>
* Copyright (c) 2023, Jakub Berkop <jakub.berkop@gmail.com>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
@ -128,40 +129,6 @@ public:
}
}
static void add_read_event(Thread& thread, int fd, size_t size, OpenFileDescription const& file_description, u64 start_timestamp, ErrorOr<FlatPtr> const& result)
{
if (thread.is_profiling_suppressed())
return;
auto* event_buffer = thread.process().current_perf_events_buffer();
if (event_buffer == nullptr)
return;
size_t filepath_string_index;
if (auto path = file_description.original_absolute_path(); !path.is_error()) {
auto registered_result = event_buffer->register_string(move(path.value()));
if (registered_result.is_error())
return;
filepath_string_index = registered_result.value();
} else if (auto pseudo_path = file_description.pseudo_path(); !pseudo_path.is_error()) {
auto registered_result = event_buffer->register_string(move(pseudo_path.value()));
if (registered_result.is_error())
return;
filepath_string_index = registered_result.value();
} else {
auto invalid_path_string = KString::try_create("<INVALID_FILE_PATH>"sv); // TODO: Performance, unnecessary allocations.
if (invalid_path_string.is_error())
return;
auto registered_result = event_buffer->register_string(move(invalid_path_string.value()));
if (registered_result.is_error())
return;
filepath_string_index = registered_result.value();
}
[[maybe_unused]] auto rc = event_buffer->append(PERF_EVENT_READ, fd, size, {}, &thread, filepath_string_index, start_timestamp, result); // wrong arguments
}
static void timer_tick(RegisterState const& regs)
{
static UnixDateTime last_wakeup;