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time window display buffer update in debug profile mode

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This commit is contained in:
Maxime Coste 2016-05-06 00:24:54 +01:00
parent bab174b0ec
commit 457e11bdc9
2 changed files with 24 additions and 9 deletions
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17
src/shell_manager.cc
View File

@ -115,19 +115,18 @@ std::pair<String, int> ShellManager::eval(
StringView cmdline, const Context& context, StringView input,
Flags flags, const ShellContext& shell_context)
{
using Clock = std::chrono::steady_clock;
using TimePoint = Clock::time_point;
using namespace std::chrono;
const DebugFlags debug_flags = context.options()["debug"].get<DebugFlags>();
const bool profile = debug_flags & DebugFlags::Profile;
if (debug_flags & DebugFlags::Shell)
write_to_debug_buffer(format("shell:\n{}\n----\n", cmdline));
auto start_time = profile ? Clock::now() : TimePoint{};
auto start_time = profile ? steady_clock::now() : steady_clock::time_point{};
auto kak_env = generate_env(cmdline, context, shell_context);
auto spawn_time = profile ? Clock::now() : TimePoint{};
auto spawn_time = profile ? steady_clock::now() : steady_clock::time_point{};
Pipe child_stdin{not input.empty()}, child_stdout, child_stderr;
pid_t pid = spawn_shell(cmdline, shell_context.params, kak_env,
@ -154,7 +153,7 @@ std::pair<String, int> ShellManager::eval(
write(child_stdin.write_fd(), input);
child_stdin.close_write_fd();
auto wait_time = profile ? Clock::now() : TimePoint{};
auto wait_time = profile ? steady_clock::now() : steady_clock::time_point{};
struct PipeReader : FDWatcher
{
@ -204,10 +203,10 @@ std::pair<String, int> ShellManager::eval(
if (profile)
{
TimePoint end_time = Clock::now();
auto full = std::chrono::duration_cast<std::chrono::milliseconds>(end_time - start_time);
auto spawn = std::chrono::duration_cast<std::chrono::milliseconds>(wait_time - spawn_time);
auto wait = std::chrono::duration_cast<std::chrono::milliseconds>(end_time - wait_time);
auto end_time = steady_clock::now();
auto full = duration_cast<milliseconds>(end_time - start_time);
auto spawn = duration_cast<milliseconds>(wait_time - spawn_time);
auto wait = duration_cast<milliseconds>(end_time - wait_time);
write_to_debug_buffer(format("shell execution took {} ms (spawn: {}, wait: {})",
(size_t)full.count(), (size_t)spawn.count(), (size_t)wait.count()));
}

16
src/window.cc
View File

@ -6,8 +6,10 @@
#include "hook_manager.hh"
#include "input_handler.hh"
#include "client.hh"
#include "buffer_utils.hh"
#include <algorithm>
#include <chrono>
#include <sstream>
namespace Kakoune
@ -108,6 +110,13 @@ bool Window::needs_redraw(const Context& context) const
const DisplayBuffer& Window::update_display_buffer(const Context& context)
{
using namespace std::chrono;
const bool profile = context.options()["debug"].get<DebugFlags>() &
DebugFlags::Profile;
auto start_time = profile ? steady_clock::now() : steady_clock::time_point{};
DisplayBuffer::LineList& lines = m_display_buffer.lines();
lines.clear();
@ -138,6 +147,13 @@ const DisplayBuffer& Window::update_display_buffer(const Context& context)
m_last_setup = build_setup(context);
if (profile and not (buffer().flags() & Buffer::Flags::Debug))
{
auto duration = duration_cast<milliseconds>(steady_clock::now() - start_time);
write_to_debug_buffer(format("window display update for '{}' took {} ms",
buffer().display_name(), (size_t)duration.count()));
}
return m_display_buffer;
}