| 0,0 → 1,187 |
|---|
| #include <stdlib.h> |
| #include <tracer.h> |
| |
| void *StartTracerBuffer; // Buffer Start 0 |
| void *EndTracerBuffer; // Buffer End 4 |
| void *LastBeforeEndTracerBuffer; //8 |
| void *CurrentTracerBuffer; //The Actual Write Point For The Next Event 12 |
| void *FirstTracerBuffer; //The First Valid Event 16 |
| |
| |
| int TracerActive = 0; //20 |
| int TracerOutputType = TRACER_NO_OUTPUT; //24 |
| unsigned long long TracerEventsRecorded; //28 |
| unsigned int TracerEventsPresent; //36 |
| |
| extern unsigned int clk_per_msec; |
| |
| #define TRACER_DEBUG |
| |
| /* Initialize the tracer |
| * |
| * Return 0 => Success |
| * Return 1 => Fail |
| */ |
| int tracer_initialize(int MemorySize) |
| { |
| |
| SYS_FLAGS f; |
| |
| f = ll_fsave(); |
| |
| StartTracerBuffer = malloc(MemorySize); |
| if (!StartTracerBuffer) { |
| ll_frestore(f); |
| return 1; |
| } |
| |
| EndTracerBuffer = StartTracerBuffer + MemorySize - 1; |
| CurrentTracerBuffer = StartTracerBuffer; |
| FirstTracerBuffer = StartTracerBuffer; |
| LastBeforeEndTracerBuffer = EndTracerBuffer; |
| |
| TracerActive = 0; |
| TracerEventsRecorded = 0; |
| TracerEventsPresent = 0; |
| |
| ll_frestore(f); |
| return 0; |
| |
| } |
| |
| void tracer_enable() { |
| |
| SYS_FLAGS f; |
| |
| f = ll_fsave(); |
| |
| TracerActive = 1; |
| |
| ll_frestore(f); |
| |
| } |
| |
| void tracer_disable() { |
| |
| SYS_FLAGS f; |
| |
| f = ll_fsave(); |
| |
| TracerActive = 0; |
| |
| ll_frestore(f); |
| |
| } |
| |
| int send_udp_event(void *p, int size); |
| void send_remaining_udp_buffer(); |
| |
| /* Send NumberOfEvents out of the system |
| * If NumberOfEvents = -1 all the events will be sent */ |
| int tracer_send_logged_events(int NumberOfEvents) { |
| |
| void *p; |
| int s,err; |
| |
| SYS_FLAGS f; |
| |
| f = ll_fsave(); |
| |
| if (NumberOfEvents == 0 || TracerEventsPresent == 0) { |
| ll_frestore(f); |
| return 0; |
| } |
| |
| p = FirstTracerBuffer; |
| s = 0; |
| while(((p == CurrentTracerBuffer && s == 0) || p != CurrentTracerBuffer) && |
| s != NumberOfEvents && |
| TracerEventsPresent != 0) { |
| |
| switch (TracerOutputType) { |
| case TRACER_NO_OUTPUT: |
| #ifdef TRACER_DEBUG |
| cprintf("Event Type %02x Sent To NULL\n",*(BYTE *)(p)); |
| #endif |
| break; |
| case TRACER_UDP_OUTPUT: |
| err = send_udp_event(p,*(BYTE *)(p + 9)); |
| if (err != 0) { |
| ll_frestore(f); |
| return s; |
| } |
| break; |
| default: |
| #ifdef TRACER_DEBUG |
| cprintf("Error: Tracer Output Not Defined\n"); |
| #endif |
| ll_frestore(f); |
| return -1; |
| break; |
| } |
| |
| p += *(BYTE *)(p + 9); |
| if (p >= LastBeforeEndTracerBuffer) p = StartTracerBuffer; |
| |
| FirstTracerBuffer = p; |
| TracerEventsPresent--; |
| |
| s++; |
| |
| } |
| |
| ll_frestore(f); |
| return s; |
| |
| } |
| |
| //Flush the events that are ready to send |
| void tracer_flush_sent_events() { |
| |
| switch (TracerOutputType) { |
| case TRACER_UDP_OUTPUT: |
| send_remaining_udp_buffer(); |
| break; |
| } |
| |
| } |
| |
| void tracer_print_statistics() { |
| |
| SYS_FLAGS f; |
| void *p; |
| int i,t,s; |
| |
| f = ll_fsave(); |
| |
| cprintf("\nStart Tracer Buffer: %08x\n",(int)StartTracerBuffer); |
| cprintf("End Tracer Buffer: %08x\n",(int)EndTracerBuffer); |
| cprintf("Current Tracer Buffer: %08x\n",(int)CurrentTracerBuffer); |
| cprintf("First Tracer Buffer: %08x\n",(int)FirstTracerBuffer); |
| cprintf("Last Before End Tracer Buffer: %08x\n\n",(int)LastBeforeEndTracerBuffer); |
| |
| cprintf("Events Logged: %d\n",(int)TracerEventsRecorded); |
| cprintf("Events Present: %d\n",TracerEventsPresent); |
| |
| if (TracerEventsPresent == 0) { |
| ll_frestore(f); |
| return; |
| } |
| |
| for (i=0; i<0xFF; i++) { |
| p = FirstTracerBuffer; |
| t = 0; |
| s = 0; |
| while((p == CurrentTracerBuffer && s == 0) || p != CurrentTracerBuffer) { |
| s++; |
| if (*(BYTE *)p == i) t++; |
| p += *(BYTE *)(p + 9); |
| if (p >= LastBeforeEndTracerBuffer) p = StartTracerBuffer; |
| } |
| if (t != 0) |
| cprintf("Event type %02x => %d\n",i,t); |
| } |
| |
| ll_frestore(f); |
| |
| } |