Module: xenomai-3
Branch: master
Commit: 7510a6ec07ec2a31556d4cff852cfaa709c6c3ba
URL:
http://git.xenomai.org/?p=xenomai-3.git;a=commit;h=7510a6ec07ec2a31556d4cff852cfaa709c6c3ba
Author: Gilles Chanteperdrix <gilles.chanteperd...@xenomai.org>
Date: Sat Nov 15 23:27:27 2014 +0100
cobalt/autotune: add options to ease autotuning at boot
--background allows to run autotune in the background and continue booting
--semi-quiet only leaves a few messages informing the user when each tuning
is started and when tuning is finished
---
kernel/drivers/autotune/autotune.c | 7 +++++--
utils/autotune/autotune.c | 25 ++++++++++++++++++++++---
2 files changed, 27 insertions(+), 5 deletions(-)
diff --git a/kernel/drivers/autotune/autotune.c
b/kernel/drivers/autotune/autotune.c
index 79608b3..fbacb0e 100644
--- a/kernel/drivers/autotune/autotune.c
+++ b/kernel/drivers/autotune/autotune.c
@@ -665,7 +665,7 @@ static int autotune_ioctl_nrt(struct rtdm_fd *fd, unsigned
int request, void *ar
context->tuner = tuner;
context->setup = setup;
- if (!setup.quiet)
+ if (setup.quiet <= 1)
printk(XENO_INFO "autotune(%s) started\n", tuner->name);
return ret;
@@ -728,8 +728,11 @@ static void autotune_close(struct rtdm_fd *fd)
context = rtdm_fd_to_private(fd);
tuner = context->tuner;
- if (tuner)
+ if (tuner) {
+ if (context->setup.quiet <= 1)
+ printk(XENO_INFO "autotune finished\n");
tuner->destroy_tuner(tuner);
+ }
}
static struct rtdm_driver autotune_driver = {
diff --git a/utils/autotune/autotune.c b/utils/autotune/autotune.c
index 1cce8db..99bbb79 100644
--- a/utils/autotune/autotune.c
+++ b/utils/autotune/autotune.c
@@ -29,7 +29,7 @@
static int tune_irqlat, tune_kernlat, tune_userlat;
-static int reset, noload, quiet;
+static int reset, noload, quiet, background;
static const struct option base_options[] = {
{
@@ -73,14 +73,26 @@ static const struct option base_options[] = {
#define quiet_opt 6
.name = "quiet",
.flag = &quiet,
+ .val = 2
+ },
+ {
+#define semiquiet_opt 7
+ .name = "semi-quiet",
+ .flag = &quiet,
.val = 1
},
{
-#define period_opt 7
+#define period_opt 8
.name = "period",
.has_arg = 1,
},
{
+#define background_opt 9
+ .name = "background",
+ .flag = &background,
+ .val = 1,
+ },
+ {
.name = NULL,
}
};
@@ -198,7 +210,9 @@ static void usage(void)
fprintf(stderr, " --period set the sampling period\n");
fprintf(stderr, " --reset reset core timer gravity to
factory defaults\n");
fprintf(stderr, " --noload disable load generation\n");
- fprintf(stderr, " --quiet tame down verbosity\n");
+ fprintf(stderr, " --semi-quiet tame down verbosity\n");
+ fprintf(stderr, " --quiet disable all output\n");
+ fprintf(stderr, " --background run in the background\n");
fprintf(stderr, " --help print this help\n\n");
fprintf(stderr, "if no option is given, tune for all contexts using the
default period.\n");
}
@@ -266,6 +280,8 @@ int main(int argc, char *const argv[])
break;
case noload_opt:
case quiet_opt:
+ case semiquiet_opt:
+ case background_opt:
break;
case irq_opt:
case kernel_opt:
@@ -278,6 +294,9 @@ int main(int argc, char *const argv[])
}
}
+ if (background)
+ daemon(0, 0);
+
fd = open("/dev/rtdm/autotune", O_RDONLY);
if (fd < 0)
error(1, errno, "cannot open autotune device");
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