On Thu, Nov 21, 2013 at 4:48 AM, Klaus Dannecker <[email protected]> wrote: > Hi, > > Nobody can help me? > > now i have ubuntu 13.10 installed in a vmware. > but i have the same error! > > s$ sudo make modules_install > make -C /lib/modules/3.11.0-12-generic/build > M=/home/klaus/lttng_src/lttng-modules modules_install > make[1]: Entering directory `/usr/src/linux-headers-3.11.0-12-generic' > INSTALL /home/klaus/lttng_src/lttng-modules/lib/lttng-lib-ring-buffer.ko > > Can't read private key
Ubuntu now ships with module signing enabled by default. Does the installation fail, or is it just a warning? > .... > lsmod | grep lttng > -> no module found > The modules will not be automatically loaded after being built and installed. You have to launch lttng-sessiond (as root) for that. What is the output of the following commands? make sudo make modules_install sudo depmod -a sudo lttng-sessiond & lsmod | grep lttng Regards, Jérémie > Thanks! > > Am 13.11.2013 18:37, schrieb Klaus Dannecker: > > > Am 09.11.2013 09:33, schrieb Klaus Dannecker: > > Hi, > I want to write a driver with trace events. > In the first step i compile the example trace-events-sample.c with the > makefile: > > ifneq ($(KERNELRELEASE),) > obj-m := modul_trace-events-sample.o > modul_trace-events-sample-y := trace-events-sample.o > ccflags-y := -I$(src) > else > KDIR ?= /lib/modules/`uname -r`/build > default: > $(MAKE) -C $(KDIR) M=$$PWD > endif > > now i get the modul_trace-events-sample.ko File. > now: > insmod modul_trace-events-sample.ko > lttng create > lttng enable-event -k -a > lttng start > ...wait... > lttng stop > lttng destroy > > now i look the result in the eclise viewer, but i found event > "trace_foo_bar" not in the session! > what am I doing wrong? > > I use ubuntu 13.04 in a vmware > > Thanks > > _______________________________________________ > > Hi, > > now i found a answer: > http://lists.lttng.org/pipermail/lttng-dev/2013-October/021540.html > now i download the lttng-module and compiled it. > > $ git clone git://git.lttng.org/lttng-modules.git > $ cd lttng-tools > $ make > $ sudo make modules_install > here I get error > INSTALL /mnt/hgfs/shared_Folder/lttng-modules/lib/lttng-lib-ring-buffer.ko > Can't read private key > ... > what does that mean? > what should I do? > > please help me! > > another question: > when i create a trace events in module_a, > can i use it in module_b? > if yes, what should I do? > > thanks Klaus > > > _______________________________________________ > lttng-dev mailing list > [email protected] > http://lists.lttng.org/cgi-bin/mailman/listinfo/lttng-dev > > > > _______________________________________________ > lttng-dev mailing list > [email protected] > http://lists.lttng.org/cgi-bin/mailman/listinfo/lttng-dev > -- Jérémie Galarneau EfficiOS Inc. http://www.efficios.com _______________________________________________ lttng-dev mailing list [email protected] http://lists.lttng.org/cgi-bin/mailman/listinfo/lttng-dev
