On 01/09/2012 01:24 AM, Zumeng Chen wrote: > This patchset adds support for lttng-2.0, including the folloing > four bb files: > babeltrace_0.8.bb > lttng-modules_v2.0.pre11.bb > lttng-tools_2.0-pre16.bb > lttng-ust_1.9.4.bb > And two patches for smoothly compiling: > lttng-modules-replace-KERNELDIR-with-KERNEL_SRC.patch > lttng-tools-fix-compiling-error-for-powerpc-arm.patch > > V2 Changes vs V0: > 1) fixed all comments from Darren; > 2) A build test passed;
Have you done any runtime testing using this series? > 3) Highlight for the relationship between lttng-2.0 vs lttng > It seems no objection from all. > > There is a clear description of the LTTng 2.0 architecture in the > followiing site: > http://lttng.org/sites/lttng.org/files/LTTng2_0Architecture_pa3.pdf > > Currently lttng-2.0 is still in pre-release phrase, so I add this > into the patch header for reminder. And another goal of this RR > is intended to bring forward the following issues: > > lttng-2.0 has been added into recipies-kernel, which coexisted > with lttng(the previous version), because there are some mainly > changes from lttng-control to lttng-tools, which both monitors > tracepoints and dynamic probes from kernel and userspace. But > I'm not sure if we should remove the previous version lttng. > My suggestion is to preserve for 2.6.37 kernel :-) > Agreed, we need to keep lttng around for the time being. > lttng-2.0 supports lttng-modules extra builds, which don't need > any patches on Linux kernel vs the previous version of lttng. > As described in README of lttng-modules-2.0, so far, it has been > tested in current 3.0 kernel on x86 32/64-bit, and powerpc 32-bit, > , build tested on ARM. So the related tests on qemux86 and qemuppc > has been validated and a build test on qemuarm passed too with > this patcheset. > > Babeltrace provides as a trace converter, which used to convert > LTTng 2.0 traces into human-readable log(see below example for > qemuppc) This sort of information would be useful in the patch commit messages. This all gets lost once the patches are committed. -- Darren > > lttng-ust_1.9.4 is Linux Trace Toolkit 2.0 Userspace Tracer. > > I'm still keep an eye on the development of lttng for updates. > > Regard, > Zumeng > > root@qemuppc:/# lttng list -k > Kernel events: > ------------- > sched_kthread_stop (type: tracepoint) > sched_kthread_stop_ret (type: tracepoint) > sched_wakeup (type: tracepoint) > sched_wakeup_new (type: tracepoint) > sched_switch (type: tracepoint) > sched_migrate_task (type: tracepoint) > sched_process_free (type: tracepoint) > sched_process_exit (type: tracepoint) > sched_wait_task (type: tracepoint) > sched_process_wait (type: tracepoint) > sched_process_fork (type: tracepoint) > sched_stat_wait (type: tracepoint) > sched_stat_sleep (type: tracepoint) > sched_stat_iowait (type: tracepoint) > sched_stat_runtime (type: tracepoint) > sched_pi_setprio (type: tracepoint) > irq_handler_entry (type: tracepoint) > irq_handler_exit (type: tracepoint) > softirq_entry (type: tracepoint) > softirq_exit (type: tracepoint) > softirq_raise (type: tracepoint) [disabled] > (type: tracepoint) [disabled] > (type: tracepoint) [disabled] > (type: tracepoint) [disabled] > (type: tracepoint) [disabled] > (type: tracepoint) [disabled] > (type: tracepoint) [disabled] > (type: tracepoint) [disabled] > (type: tracepoint) [disabled] > (type: tracepoint) [disabled] > (type: tracepoint) [disabled] > (type: tracepoint) [disabled] > (type: tracepoint) [disabled] > (type: tracepoint) [disabled] > (type: tracepoint) [disabled] > (type: tracepoint) [disabled] > (type: tracepoint) [disabled] > (type: tracepoint) [disabled] > > root@qemuppc:/# lttng create mysession > Session mysession created. > Traces will be written in /home/root/lttng-traces/mysession-20111230-152610 > root@qemuppc:/# lttng enable-event -a -k > All kernel events are enabled in channel channel0 > root@qemuppc:/# lttng enable-event sched_switch,sched_wakeup -k > kernel event sched_switch created in channel channel0 > kernel event sched_wakeup created in channel channel0 > root@qemuppc:/# lttng enable-event -a -k --tracepoint > All kernel tracepoints are enabled in channel channel0 > root@qemuppc:/# lttng add-context -k -e sched_switch -t pid > kernel context pid added to sched_switch event in all channels > root@qemuppc:/# lttng start > Tracing started for session mysession > root@qemuppc:/# lttng list -u > UST events: > ------------- > None > > root@qemuppc:/# lttng stop > Tracing stopped for session mysession > root@qemuppc:/# lttng list -u > UST events: > ------------- > None > > root@qemuppc:/# uname -a > Linux qemuppc 3.0.12-yocto-standard+ #1 PREEMPT Thu Dec 29 22:23:52 CST 2011 > ppc GNU/Linux > root@qemuppc:/# > root@qemuppc:/# babeltrace /home/root/lttng-traces/mysession-20111230-152610 > | less > [2078772597067] softirq_raise: { 0 }, { vec = 1 } > [2078773657367] softirq_raise: { 0 }, { vec = 9 } > [2078773943557] sched_stat_runtime: { 0 }, { comm = "lttng-sessiond", tid = > 404, runtime = 5104592, vruntime = 61173667721 } > [2078774051587] softirq_entry: { 0 }, { vec = 1 } > [2078774081797] softirq_exit: { 0 }, { vec = 1 } > [2078774086557] softirq_entry: { 0 }, { vec = 9 } > [2078774094247] softirq_exit: { 0 }, { vec = 9 } > [2078774105437] sched_stat_runtime: { 0 }, { comm = "lttng-sessiond", tid = > 404, runtime = 230192, vruntime = 61173897913 } > [2078774185387] sched_stat_wait: { 0 }, { comm = "lttng-consumerd", tid = > 418, delay = 5334784 } > [2078774328677] sched_switch: { 0 }, 385, { prev_comm = "lttng-sessiond", > prev_tid = 404, prev_prio = 20, prev_state = 0, next_comm = > "lttng-consumerd", next_tid = 418, next_prio = 20 } > [2078774802747] exit_syscall: { 0 }, { ret = 1 } > [2078774968937] sys_unknown: { 0 }, { id = 102, args = [ [0] = 17, [1] = > 1218120660, [2] = 0, [3] = 268526120, [4] = 32, [5] = 4294967232 ] } > [2078775075597] exit_syscall: { 0 }, { ret = 4136 } > [2078775109747] sys_unknown: { 0 }, { id = 167, args = [ [0] = 1218124968, > [1] = 2, [2] = 4294967295, [3] = 268526120, [4] = 32, [5] = 4294967232 ] } > [2078775130867] exit_syscall: { 0 }, { ret = 1 } > [2078775339007] sys_unknown: { 0 }, { id = 102, args = [ [0] = 17, [1] = > 1218120612, [2] = 0, [3] = 268526120, [4] = 32, [5] = 4294967232 ] } > [2078776095757] exit_syscall: { 0 }, { ret = 1 } > [2078776238357] softirq_raise: { 0 }, { vec = 1 } > [2078776245827] softirq_raise: { 0 }, { vec = 9 } > [2078776265487] sched_stat_runtime: { 0 }, { comm = "lttng-consumerd", tid = > 418, runtime = 2149408, vruntime = 61169846169 } > [2078776291187] softirq_entry: { 0 }, { vec = 1 } > [2078776306217] softirq_exit: { 0 }, { vec = 1 } > [2078776310607] softirq_entry: { 0 }, { vec = 9 } > [2078776317337] softirq_exit: { 0 }, { vec = 9 } > ....snip.......................... > > The following changes since commit 5797feac5f06f5cc363869cd440b82b3eaafd456: > > image-mklibs/package_ipk: Remove bashisms (2012-01-05 22:26:25 +0000) > > are available in the git repository at: > git://git.pokylinux.org/poky-contrib zumeng/lttng-2.0 > http://git.pokylinux.org/cgit.cgi/poky-contrib/log/?h=zumeng/lttng-2.0 > > Zumeng Chen (4): > lttng-ust: Integrate into yocto linux > lttng-tools: Integrated from git repo. > lttng-modules: from lttng-modules 2.0 git repo. > babeltrace: Integrated from version 0.8 > > meta/recipes-kernel/lttng-2.0/babeltrace_0.8.bb | 30 ++++++++++++++ > ...modules-replace-KERNELDIR-with-KERNEL_SRC.patch | 41 > ++++++++++++++++++++ > .../lttng-2.0/lttng-modules_v2.0.pre11.bb | 23 +++++++++++ > ...-compiling-error-for-powerpc-arm-and-mips.patch | 23 +++++++++++ > .../lttng-2.0/lttng-tools_2.0-pre16.bb | 24 +++++++++++ > meta/recipes-kernel/lttng-2.0/lttng-ust_1.9.4.bb | 23 +++++++++++ > 6 files changed, 164 insertions(+), 0 deletions(-) > create mode 100644 meta/recipes-kernel/lttng-2.0/babeltrace_0.8.bb > create mode 100644 > meta/recipes-kernel/lttng-2.0/lttng-modules-replace-KERNELDIR-with-KERNEL_SRC.patch > create mode 100644 meta/recipes-kernel/lttng-2.0/lttng-modules_v2.0.pre11.bb > create mode 100644 > meta/recipes-kernel/lttng-2.0/lttng-tools-fix-compiling-error-for-powerpc-arm-and-mips.patch > create mode 100644 meta/recipes-kernel/lttng-2.0/lttng-tools_2.0-pre16.bb > create mode 100644 meta/recipes-kernel/lttng-2.0/lttng-ust_1.9.4.bb > > -- Darren Hart Intel Open Source Technology Center Yocto Project - Linux Kernel _______________________________________________ yocto mailing list yocto@yoctoproject.org https://lists.yoctoproject.org/listinfo/yocto
