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sysprof-cli: bump default buffer size to 8mb

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The goal here is just to reduce the number of file system transactions during
the recording process.
This commit is contained in:
Christian Hergert
2023-08-14 10:26:24 -07:00
parent 336d4a6e91
commit a141d9a194
1 changed files with 3 additions and 1 deletions
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4
src/sysprof-cli/sysprof-cli.c
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@ -38,6 +38,8 @@
#include "sysprof-capture-util-private.h" #include "sysprof-capture-util-private.h"
#define DEFAULT_BUFFER_SIZE (1024L * 1024L * 8L /* 8mb */)
G_DEFINE_AUTOPTR_CLEANUP_FUNC (SysprofCaptureReader, sysprof_capture_reader_unref) G_DEFINE_AUTOPTR_CLEANUP_FUNC (SysprofCaptureReader, sysprof_capture_reader_unref)
G_DEFINE_AUTOPTR_CLEANUP_FUNC (SysprofCaptureWriter, sysprof_capture_writer_unref) G_DEFINE_AUTOPTR_CLEANUP_FUNC (SysprofCaptureWriter, sysprof_capture_writer_unref)
@ -298,7 +300,7 @@ main (int argc,
int pid = -1; int pid = -1;
int fd; int fd;
int flags; int flags;
int n_buffer_pages = 0; int n_buffer_pages = (DEFAULT_BUFFER_SIZE / sysprof_getpagesize ());
GOptionEntry entries[] = { GOptionEntry entries[] = {
{ "no-throttle", 0, 0, G_OPTION_ARG_NONE, &no_throttle, N_("Disable CPU throttling while profiling [Deprecated for --power-profile]") }, { "no-throttle", 0, 0, G_OPTION_ARG_NONE, &no_throttle, N_("Disable CPU throttling while profiling [Deprecated for --power-profile]") },
{ "pid", 'p', 0, G_OPTION_ARG_INT, &pid, N_("Make sysprof specific to a task [Deprecated]"), N_("PID") }, { "pid", 'p', 0, G_OPTION_ARG_INT, &pid, N_("Make sysprof specific to a task [Deprecated]"), N_("PID") },