https://sourceforge.net/p/tracebuffer/wiki/Home/Recent changes to HomeenWed, 05 Nov 2014 19:05:26 -0000https://sourceforge.net/p/tracebuffer/wiki/Home/<div class="markdown_content"><pre>--- v1 +++ v2 @@ -10,11 +10,37 @@ chmod 666 /dev/tracebuf ; setup permissions insmod t_driver.ko tbuf_size=10000 ; install driver, tbus_size = size of tracebuffer in bytes -Usage +Usage --- +**From shell** echo 'testrace' &gt; /dev/tracebuffer ; write to buffer cat /dev/tracebuffer ; reads buffer +**From code** + +Add t_buffer.c and t_buffer.h into your project + +include"t_buffer.h" + +main() +{ + T_INIT(); + + ..your code + T_PRINT("trace single print"); + T_PRINT("trace a value %d",value); + ..your code + + T_CLOSE(); +} + +normal printf formatting can be used + +**Configuration** +undef following defines if detailed prints are not needed from t_buffer.h + +TRACE_PRINT_CODELINE +TRACE_PRINT_PID </pre> </div>AriJuuWed, 05 Nov 2014 19:05:26 -0000https://sourceforge.net5dd060f010ed70f262e5413835efcdc244bf0c13https://sourceforge.net/p/tracebuffer/wiki/Home/<div class="markdown_content"><h2 id="description">Description</h2> <p>The Tracebuffer is driver for the user process tracing. It holds a ram buffer in kernel space and provides interface for saving and reading buffer via device file.</p> <h2 id="initialisation">Initialisation</h2> <p>can be done by initdriver.sh</p> <p>mknod /dev/tracebuf c 60 0 ; create filenode<br /> chmod 666 /dev/tracebuf ; setup permissions<br /> insmod t_driver.ko tbuf_size=10000 ; install driver, tbus_size = size of tracebuffer in bytes</p> <h2 id="usage">Usage</h2> <p>echo 'testrace' &gt; /dev/tracebuffer ; write to buffer<br /> cat /dev/tracebuffer ; reads buffer</p></div>AriJuuWed, 05 Nov 2014 18:51:37 -0000https://sourceforge.net9a319c6e95afbfc4cc9a01863625983d1fe9b4e1