//kbuild:lib-$(CONFIG_BOOTCHARTD) += bootchartd.o
//config:config BOOTCHARTD
-//config: bool "bootchartd"
+//config: bool "bootchartd (10 kb)"
//config: default y
//config: help
-//config: bootchartd is commonly used to profile the boot process
-//config: for the purpose of speeding it up. In this case, it is started
-//config: by the kernel as the init process. This is configured by adding
-//config: the init=/sbin/bootchartd option to the kernel command line.
+//config: bootchartd is commonly used to profile the boot process
+//config: for the purpose of speeding it up. In this case, it is started
+//config: by the kernel as the init process. This is configured by adding
+//config: the init=/sbin/bootchartd option to the kernel command line.
//config:
-//config: It can also be used to monitor the resource usage of a specific
-//config: application or the running system in general. In this case,
-//config: bootchartd is started interactively by running bootchartd start
-//config: and stopped using bootchartd stop.
+//config: It can also be used to monitor the resource usage of a specific
+//config: application or the running system in general. In this case,
+//config: bootchartd is started interactively by running bootchartd start
+//config: and stopped using bootchartd stop.
//config:
//config:config FEATURE_BOOTCHARTD_BLOATED_HEADER
//config: bool "Compatible, bloated header"
//config: default y
//config: depends on BOOTCHARTD
//config: help
-//config: Create extended header file compatible with "big" bootchartd.
-//config: "Big" bootchartd is a shell script and it dumps some
-//config: "convenient" info int the header, such as:
-//config: title = Boot chart for `hostname` (`date`)
-//config: system.uname = `uname -srvm`
-//config: system.release = `cat /etc/DISTRO-release`
-//config: system.cpu = `grep '^model name' /proc/cpuinfo | head -1` ($cpucount)
-//config: system.kernel.options = `cat /proc/cmdline`
-//config: This data is not mandatory for bootchart graph generation,
-//config: and is considered bloat. Nevertheless, this option
-//config: makes bootchartd applet to dump a subset of it.
+//config: Create extended header file compatible with "big" bootchartd.
+//config: "Big" bootchartd is a shell script and it dumps some
+//config: "convenient" info int the header, such as:
+//config: title = Boot chart for `hostname` (`date`)
+//config: system.uname = `uname -srvm`
+//config: system.release = `cat /etc/DISTRO-release`
+//config: system.cpu = `grep '^model name' /proc/cpuinfo | head -1` ($cpucount)
+//config: system.kernel.options = `cat /proc/cmdline`
+//config: This data is not mandatory for bootchart graph generation,
+//config: and is considered bloat. Nevertheless, this option
+//config: makes bootchartd applet to dump a subset of it.
//config:
//config:config FEATURE_BOOTCHARTD_CONFIG_FILE
//config: bool "Support bootchartd.conf"
//config: default y
//config: depends on BOOTCHARTD
//config: help
-//config: Enable reading and parsing of $PWD/bootchartd.conf
-//config: and /etc/bootchartd.conf files.
+//config: Enable reading and parsing of $PWD/bootchartd.conf
+//config: and /etc/bootchartd.conf files.
#include "libbb.h"
+#include "common_bufsiz.h"
/* After libbb.h, since it needs sys/types.h on some systems */
#include <sys/utsname.h>
struct globals {
char jiffy_line[COMMON_BUFSIZE];
} FIX_ALIASING;
-#define G (*(struct globals*)&bb_common_bufsiz1)
-#define INIT_G() do { } while (0)
+#define G (*(struct globals*)bb_common_bufsiz1)
+#define INIT_G() do { setup_common_bufsiz(); } while (0)
static void dump_file(FILE *fp, const char *filename)
{
p++;
strchrnul(p, ')')[0] = '\0';
/* Is it gdm, kdm or a getty? */
- if (((p[0] == 'g' || p[0] == 'k' || p[0] == 'x') && p[1] == 'd' && p[2] == 'm')
+ if (((p[0] == 'g' || p[0] == 'k' || p[0] == 'x')
+ && p[1] == 'd' && p[2] == 'm' && p[3] == '\0'
+ )
|| strstr(p, "getty")
) {
found_login_process = 1;
if (!tempdir) {
#ifdef __linux__
/* /tmp is not writable (happens when we are used as init).
- * Try to mount a tmpfs, them cd and lazily unmount it.
+ * Try to mount a tmpfs, then cd and lazily unmount it.
* Since we unmount it at once, we can mount it anywhere.
* Try a few locations which are likely ti exist.
*/
- static const char dirs[] = "/mnt\0""/tmp\0""/boot\0""/proc\0";
+ static const char dirs[] ALIGN1 = "/mnt\0""/tmp\0""/boot\0""/proc\0";
const char *try_dir = dirs;
while (mount("none", try_dir, "tmpfs", MS_SILENT, "size=16m") != 0) {
try_dir += strlen(try_dir) + 1;