i was looking for continuous stream of kernel log messages. cat /proc/kmsg is one way of getting (source : Thomas Cannon)
On Thursday, 28 June 2012 13:56:07 UTC-4, tbird20d wrote: > > On 06/27/2012 11:35 PM, Seok-gi Hong wrote: > > you means the shell is 'adb shell' ? > > > > let me know the other way to access the kernel buffers through the shell > > I think some clarification is in order. When one says they want to > access the kernel log buffer, they usually mean the one that the kernel > prints it's debug and status messages into, which is not the same as > the 4 buffers that are used to hold Android log messages (although the > buffers for these Android messages are also in the kernel.) > > If this is not clear, take a look at: > http://elinux.org/Android_Logging_System > > So, yes, to access the kernel log messages (NOT the Android messages), use > 'adb shell', then type 'dmesg' at the command prompt. > > To access the Android log messages (which are stored in the kernel, but do > not hold kernel messages), use 'adb logcat'. > > There is currently no way to reliably interleave these messages, as they > use a different clock for their timestamps (one of which changes > mid-boot). > > > As I know, To access kernel buffer on log_system like below must used to > T32 > > DEFINE_LOGGER_DEVICE(log_main, LOGGER_LOG_MAIN, 256*1024) > > > DEFINE_LOGGER_DEVICE(log_events, LOGGER_LOG_EVENTS, 256*1024) > > DEFINE_LOGGER_DEVICE(log_radio, LOGGER_LOG_RADIO, 256*1024) > > DEFINE_LOGGER_DEVICE(log_system, LOGGER_LOG_SYSTEM, 256*1024) > > > > kernel/drivers/staging/android/logger.c file included above all. > > > > thanks. > > > > > > On Thursday, June 28, 2012 5:25:16 AM UTC+9, Alexander Ray wrote: > > > > Do you just need the kernel buffers, or do you need it interleaved > with logcat? There are other ways to access the kernel buffers (simplest > being through the shell) > > > > > > On Thu, Jun 21, 2012 at 7:10 AM, Machiry Aravind Kumar < > makr...@gmail.com <mailto:makr...@gmail.com>> wrote: > > > > hi, > > > > is there any way by which we can make logcat read from kernel > buffers? > > > > though there is link in the android site: > > > > > http://developer.android.com/guide/developing/tools/logcat.html#alternativebuffers< > http://developer.android.com/guide/developing/tools/logcat.html#alternativebuffers> > > > > > > its defunct. > > > > any details on this would be really helpful. > > > > Thanks, > > Machiry > > > > -- > > unsubscribe: android-kernel+unsubscr...@googlegroups.com<mailto: > android-kernel%2bunsubscr...@googlegroups.com> > > website: http://groups.google.com/group/android-kernel < > http://groups.google.com/group/android-kernel> > > > > > > > > On Thursday, June 28, 2012 5:25:16 AM UTC+9, Alexander Ray wrote: > > > > Do you just need the kernel buffers, or do you need it interleaved > with logcat? There are other ways to access the kernel buffers (simplest > being through the shell) > > > > > > On Thu, Jun 21, 2012 at 7:10 AM, Machiry Aravind Kumar < > makr...@gmail.com <mailto:makr...@gmail.com>> wrote: > > > > hi, > > > > is there any way by which we can make logcat read from kernel > buffers? > > > > though there is link in the android site: > > > > > http://developer.android.com/guide/developing/tools/logcat.html#alternativebuffers< > http://developer.android.com/guide/developing/tools/logcat.html#alternativebuffers> > > > > > > its defunct. > > > > any details on this would be really helpful. > > > > Thanks, > > Machiry > > > > -- > > unsubscribe: android-kernel+unsubscr...@googlegroups.com<mailto: > android-kernel%2bunsubscr...@googlegroups.com> > > website: http://groups.google.com/group/android-kernel < > http://groups.google.com/group/android-kernel> > > > > > > > > On Thursday, June 28, 2012 5:25:16 AM UTC+9, Alexander Ray wrote: > > > > Do you just need the kernel buffers, or do you need it interleaved > with logcat? There are other ways to access the kernel buffers (simplest > being through the shell) > > > > > > On Thu, Jun 21, 2012 at 7:10 AM, Machiry Aravind Kumar < > makr...@gmail.com <mailto:makr...@gmail.com>> wrote: > > > > hi, > > > > is there any way by which we can make logcat read from kernel > buffers? > > > > though there is link in the android site: > > > > > http://developer.android.com/guide/developing/tools/logcat.html#alternativebuffers< > http://developer.android.com/guide/developing/tools/logcat.html#alternativebuffers> > > > > > > its defunct. > > > > any details on this would be really helpful. > > > > Thanks, > > Machiry > > > > -- > > unsubscribe: android-kernel+unsubscr...@googlegroups.com<mailto: > android-kernel%2bunsubscr...@googlegroups.com> > > website: http://groups.google.com/group/android-kernel < > http://groups.google.com/group/android-kernel> > > > > > > > > On Thursday, June 28, 2012 5:25:16 AM UTC+9, Alexander Ray wrote: > > > > Do you just need the kernel buffers, or do you need it interleaved > with logcat? There are other ways to access the kernel buffers (simplest > being through the shell) > > > > > > On Thu, Jun 21, 2012 at 7:10 AM, Machiry Aravind Kumar < > makr...@gmail.com <mailto:makr...@gmail.com>> wrote: > > > > hi, > > > > is there any way by which we can make logcat read from kernel > buffers? > > > > though there is link in the android site: > > > > > http://developer.android.com/guide/developing/tools/logcat.html#alternativebuffers< > http://developer.android.com/guide/developing/tools/logcat.html#alternativebuffers> > > > > > > its defunct. > > > > any details on this would be really helpful. > > > > Thanks, > > Machiry > > > > -- > > unsubscribe: android-kernel+unsubscr...@googlegroups.com<mailto: > android-kernel%2bunsubscr...@googlegroups.com> > > website: http://groups.google.com/group/android-kernel < > http://groups.google.com/group/android-kernel> > > > > > > -- > > unsubscribe: android-kernel+unsubscr...@googlegroups.com > > website: http://groups.google.com/group/android-kernel > > > -- > ============================= > Tim Bird > Architecture Group Chair, CE Workgroup of the Linux Foundation > Senior Staff Engineer, Sony Network Entertainment > ============================= > > > > -- unsubscribe: android-kernel+unsubscr...@googlegroups.com website: http://groups.google.com/group/android-kernel
