diff options
| author |   Roy.Li <rongqing.li@windriver.com> | 2013-06-08 15:22:06 +0800 |
|---|---|---|
| committer |   Saul Wold <sgw@linux.intel.com> | 2013-06-13 08:25:46 -0700 |
| commit | ee95048cf0c79dc52857dbc0e5da9363f2ad8b9b (patch) | |
| tree | 86f6523f4d76a3ede3fc760e86226543b64454e3 /meta/recipes-kernel | |
| parent | 4f7c228c841ce1244e92bceeef363e29748adadd (diff) | |
| download | openembedded-core-ee95048cf0c79dc52857dbc0e5da9363f2ad8b9b.tar.gz | |
latencytop: Deprecate tracing_enabled for tracing_on
tracing_enabled should not be used, it is heavy weight and does not
do much in helping lower the overhead. see commmit (Deprecate
tracing_enabled for tracing_on 6752ab4a9c30d5411b2dfdb251a3f1cb18aae48)
in kernel
Signed-off-by: Roy.Li <rongqing.li@windriver.com>
Signed-off-by: Saul Wold <sgw@linux.intel.com>
Diffstat (limited to 'meta/recipes-kernel')
| -rw-r--r-- | meta/recipes-kernel/latencytop/latencytop-0.5/latencytop-fsync.patch | 49 | ||||
| -rw-r--r-- | meta/recipes-kernel/latencytop/latencytop_0.5.bb | 3 |
2 files changed, 51 insertions, 1 deletions
diff --git a/meta/recipes-kernel/latencytop/latencytop-0.5/latencytop-fsync.patch b/meta/recipes-kernel/latencytop/latencytop-0.5/latencytop-fsync.patch new file mode 100644 index 0000000000..9720cdb898 --- /dev/null +++ b/meta/recipes-kernel/latencytop/latencytop-0.5/latencytop-fsync.patch @@ -0,0 +1,49 @@ +linux: sysfs: use tracing_on as tracing_enabled is deprecated + +tracing_enabled use in the kernel is being deprecated as per commit +6752ab4a9c30 [tracing: Deprecate tracing_enabled for tracing_on] in +the linux mainline kernel. tracing_enabled use will generate a warning +and may no longer function as expected, therefore move to use tracing_on. + +Upstream-status: Pending + +Signed-off-by: Dennis Hall <dennis.hall@windriver.com> + +Index: latencytop-0.5/fsync.c +=================================================================== +--- latencytop-0.5.orig/fsync.c 2012-08-03 10:45:49.000000000 -0400 ++++ latencytop-0.5/fsync.c 2012-08-03 10:48:39.000000000 -0400 +@@ -149,19 +149,19 @@ + * cd /sys/kernel/debug/tracing + * echo fsync > current_tracer + * echo ftrace_printk > iter_ctrl +- * echo 1 > tracing_enabled ++ * echo 1 > tracing_on + */ + ret = system("/bin/mount -t debugfs none /sys/kernel/debug/"); + if (!ret) + return -1; + write_to_file("/sys/kernel/debug/tracing/current_tracer", "fsync"); + write_to_file("/sys/kernel/debug/tracing/iter_ctrl", "ftrace_printk"); +- write_to_file("/sys/kernel/debug/tracing/tracing_enabled", "1"); ++ write_to_file("/sys/kernel/debug/tracing/tracing_on", "1"); + } + + int disable_fsync_tracer(void) + { +- write_to_file("/sys/kernel/debug/tracing/tracing_enabled", "0"); ++ write_to_file("/sys/kernel/debug/tracing/tracing_on", "0"); + } + + +@@ -339,8 +339,8 @@ + if (curduration > 5) + curduration = 5; + /* clear the ftrace buffer */ +- write_to_file("/sys/kernel/debug/tracing/tracing_enabled", "0"); +- write_to_file("/sys/kernel/debug/tracing/tracing_enabled", "1"); ++ write_to_file("/sys/kernel/debug/tracing/tracing_on", "0"); ++ write_to_file("/sys/kernel/debug/tracing/tracing_on", "1"); + key = select(1, &rfds, NULL, NULL, &end); + parse_ftrace(); + print_global_list(); diff --git a/meta/recipes-kernel/latencytop/latencytop_0.5.bb b/meta/recipes-kernel/latencytop/latencytop_0.5.bb index 3e35bf910d..dad05883ed 100644 --- a/meta/recipes-kernel/latencytop/latencytop_0.5.bb +++ b/meta/recipes-kernel/latencytop/latencytop_0.5.bb @@ -10,7 +10,8 @@ DEPENDS = "virtual/libintl ncurses glib-2.0 ${@base_contains('DISTRO_FEATURES', PR = "r3" SRC_URI = "http://www.latencytop.org/download/latencytop-${PV}.tar.gz \ - file://latencytop-makefile.patch" + file://latencytop-makefile.patch \ + file://latencytop-fsync.patch" SRC_URI[md5sum] = "73bb3371c6ee0b0e68e25289027e865c" SRC_URI[sha256sum] = "9e7f72fbea7bd918e71212a1eabaad8488d2c602205d2e3c95d62cd57e9203ef" |