grub2/0167-New-with-debug-timestamps-configure-flag-to-prepend-.patch
Javier Martinez Canillas 1d49572ef1
Update to latest content from upstream sources
The content of this branch was not automatically imported from upstream
sources. Pull the latest from upstream to have the missing changes here.

Source: https://src.fedoraproject.org/rpms/grub2.git#f2763e56df79eccae17d2e8fa13d2f51a0fe7073

Resolves: rhbz#1947696

Signed-off-by: Javier Martinez Canillas <javierm@redhat.com>
2021-04-12 01:36:21 +02:00

113 lines
3.6 KiB
Diff

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Renaud=20M=C3=A9trich?= <rmetrich@redhat.com>
Date: Sat, 23 Nov 2019 14:57:41 +0100
Subject: [PATCH] New --with-debug-timestamps configure flag to prepend debug
traces with absolute and relative timestamp
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Signed-off-by: Renaud Métrich <rmetrich@redhat.com>
---
configure.ac | 18 ++++++++++++++++++
grub-core/kern/misc.c | 20 ++++++++++++++++++++
config.h.in | 1 +
3 files changed, 39 insertions(+)
diff --git a/configure.ac b/configure.ac
index 2e4b12adad3..7b11fae0c3d 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1613,6 +1613,17 @@ else
fi
AC_SUBST([BOOT_TIME_STATS])
+AC_ARG_WITH([debug-timestamps],
+ AS_HELP_STRING([--with-debug-timestamps],
+ [prepend debug traces with absolute and relative timestamps]))
+
+if test x$with_debug_timestamps = xyes; then
+ DEBUG_WITH_TIMESTAMPS=1
+else
+ DEBUG_WITH_TIMESTAMPS=0
+fi
+AC_SUBST([DEBUG_WITH_TIMESTAMPS])
+
AC_ARG_ENABLE([grub-emu-sdl],
[AS_HELP_STRING([--enable-grub-emu-sdl],
[build and install the `grub-emu' debugging utility with SDL support (default=guessed)])])
@@ -2200,6 +2211,7 @@ AM_CONDITIONAL([COND_APPLE_LINKER], [test x$TARGET_APPLE_LINKER = x1])
AM_CONDITIONAL([COND_ENABLE_EFIEMU], [test x$enable_efiemu = xyes])
AM_CONDITIONAL([COND_ENABLE_CACHE_STATS], [test x$DISK_CACHE_STATS = x1])
AM_CONDITIONAL([COND_ENABLE_BOOT_TIME_STATS], [test x$BOOT_TIME_STATS = x1])
+AM_CONDITIONAL([COND_DEBUG_WITH_TIMESTAMPS], [test x$DEBUG_WITH_TIMESTAMPS = x1])
AM_CONDITIONAL([COND_HAVE_CXX], [test x$HAVE_CXX = xyes])
@@ -2295,6 +2307,12 @@ else
echo With boot time statistics: No
fi
+if [ x"$with_debug_timestamps" = xyes ]; then
+echo Debug traces with timestamps: Yes
+else
+echo Debug traces with timestamps: No
+fi
+
if [ x"$efiemu_excuse" = x ]; then
echo efiemu runtime: Yes
else
diff --git a/grub-core/kern/misc.c b/grub-core/kern/misc.c
index 578bf51a5fc..9f54b6b7d2d 100644
--- a/grub-core/kern/misc.c
+++ b/grub-core/kern/misc.c
@@ -25,6 +25,9 @@
#include <grub/env.h>
#include <grub/i18n.h>
#include <grub/backtrace.h>
+#if DEBUG_WITH_TIMESTAMPS
+#include <grub/time.h>
+#endif
union printf_arg
{
@@ -192,9 +195,26 @@ grub_real_dprintf (const char *file, const int line, const char *condition,
const char *fmt, ...)
{
va_list args;
+#if DEBUG_WITH_TIMESTAMPS
+ static long unsigned int last_time = 0;
+ static int last_had_cr = 1;
+#endif
if (grub_debug_enabled (condition))
{
+#if DEBUG_WITH_TIMESTAMPS
+ /* Don't print timestamp if last printed message isn't terminated yet */
+ if (last_had_cr) {
+ long unsigned int tmabs = (long unsigned int) grub_get_time_ms();
+ long unsigned int tmrel = tmabs - last_time;
+ last_time = tmabs;
+ grub_printf ("%3lu.%03lus +%2lu.%03lus ", tmabs / 1000, tmabs % 1000, tmrel / 1000, tmrel % 1000);
+ }
+ if (fmt[grub_strlen(fmt)-1] == '\n')
+ last_had_cr = 1;
+ else
+ last_had_cr = 0;
+#endif
grub_printf ("%s:%d: ", file, line);
va_start (args, fmt);
grub_vprintf (fmt, args);
diff --git a/config.h.in b/config.h.in
index c7e316f0f1f..c80e3e0aba3 100644
--- a/config.h.in
+++ b/config.h.in
@@ -12,6 +12,7 @@
/* Define to 1 to enable disk cache statistics. */
#define DISK_CACHE_STATS @DISK_CACHE_STATS@
#define BOOT_TIME_STATS @BOOT_TIME_STATS@
+#define DEBUG_WITH_TIMESTAMPS @DEBUG_WITH_TIMESTAMPS@
/* We don't need those. */
#define MINILZO_CFG_SKIP_LZO_PTR 1