7,6 → 7,7 |
* |
* Authors : |
* Giacomo Guidi <giacomo@gandalf.sssup.it> |
* Tullio Facchinetti <tullio.facchinetti@unipv.it> |
* |
* ReTiS Lab (Scuola Superiore S.Anna - Pisa - Italy) |
* |
13,6 → 14,7 |
* http://www.sssup.it |
* http://retis.sssup.it |
* http://shark.sssup.it |
* http://robot.unipv.it |
*/ |
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#include <kernel/kern.h> |
31,6 → 33,7 |
struct timespec start,end,diff; |
SYS_FLAGS f; |
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/** Create 3 chunks for storing the tracer events. */ |
a = FTrace_chunk_create(1000000, 1000000, FTRACE_CHUNK_FLAG_FREE | FTRACE_CHUNK_FLAG_CYC); |
b = FTrace_chunk_create(1000000, 1000000, FTRACE_CHUNK_FLAG_FREE | FTRACE_CHUNK_FLAG_JTN); |
c = FTrace_chunk_create(1000000, 1000000, FTRACE_CHUNK_FLAG_FREE | FTRACE_CHUNK_FLAG_CYC); |
38,10 → 41,16 |
FTrace_chunk_link(a,b); |
FTrace_chunk_link(b,c); |
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/** Select the first chunk for saving the events. */ |
FTrace_actual_chunk_select(a); |
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kern_gettime(&start); |
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/** Start the tracer. */ |
FTrace_enable(); |
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/** Disable the filtering for timer related events. */ |
FTrace_set_filter(FTrace_filter_timer, 1); |
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TRACER_LOGEVENT(FTrace_EVT_trace_start,proc_table[exec_shadow].context,clk_per_msec); |
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50,7 → 59,11 |
(unsigned short int)proc_table[i].context,i); |
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for (i=0;i<1000000000;i++); |
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/** Enable the filtering for timer related events. */ |
FTrace_set_filter(FTrace_filter_timer, 0); |
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/** Change the chunk where the events are stored. */ |
TRACER_LOGEVENT(FTrace_EVT_next_chunk,0,0); |
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f = kern_fsave(); |
67,8 → 80,10 |
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for (i=0;i<1000000000;i++); |
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/** Store a TFrace stop event. */ |
TRACER_LOGEVENT(FTrace_EVT_trace_stop,0,0); |
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/** Stop the tracer. */ |
FTrace_disable(); |
kern_gettime(&end); |
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76,8 → 91,18 |
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cprintf("Logged Time %d s %d us\n",(int)diff.tv_sec,(int)diff.tv_nsec/1000); |
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/** Initialize the network for remotely saving the trace. */ |
FTrace_OSD_init_udp(1, "192.168.1.10", "192.168.1.1"); |
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/** |
* You may want to save the events to disk. In that case, simply change |
* the network initialization instruction with the following line: |
* |
* FTrace_init_disk_writer("trace.dat", 0, NULL, NULL); |
* |
*/ |
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/** Save the chunk. */ |
FTrace_send_chunk(a, 0, FTRACE_CHUNK_FLAG_FREE | FTRACE_CHUNK_FLAG_CYC); |
FTrace_send_chunk(b, 0, FTRACE_CHUNK_FLAG_FREE | FTRACE_CHUNK_FLAG_JTN); |
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