101 lines
2.0 KiB
C
101 lines
2.0 KiB
C
#include <gint/keyboard.h>
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#include <gint/display.h>
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#include <gint/timer.h>
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#include <gintctl/util.h>
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#include <gintctl/prof-contexts.h>
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#include <gintctl/perf.h>
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#include <libprof.h>
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/* Waits some time and returns the libprof output in microseconds */
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static uint32_t run_sleep(int us)
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{
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int ctx = PROFCTX_BASICS;
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prof_clear(ctx);
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prof_enter(ctx);
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/* We can't use sleep_us() as we want a TMU */
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volatile int flag = 0;
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int timer = timer_setup(TIMER_TMU, us, timer_timeout, &flag);
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if(timer >= 0)
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{
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timer_start(timer);
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timer_wait(timer);
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}
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prof_leave(ctx);
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return prof_time(ctx);
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}
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/* Measure overhead of an empty context */
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static uint32_t run_empty(void)
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{
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int ctx = PROFCTX_EMPTY;
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prof_clear(ctx);
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prof_enter(ctx);
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prof_leave(ctx);
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return prof_time(ctx);
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}
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/* gintctl_perf_libprof(): Test the libprof implementation */
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void gintctl_perf_libprof(void)
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{
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int key=0, test=0, delay=10000;
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uint32_t sleep_delay = 0;
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uint32_t empty = 0;
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while(key != KEY_EXIT)
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{
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dclear(C_WHITE);
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#ifdef FX9860G
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row_print(1, 1, "Measures time for");
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row_print(2, 1, "10ms sleep +1us each");
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row_print(3, 1, "time, and empty code.");
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if(test)
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{
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row_print(5, 1, "Sleep: %.3j ms", sleep_delay);
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row_print(6, 1, "Empty: %d us", empty);
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}
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extern bopti_image_t img_opt_perf_libprof;
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dimage(0, 56, &img_opt_perf_libprof);
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#endif /* FX9860G */
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#ifdef FXCG50
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row_title("libprof basics");
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row_print(1, 1, "This program shows the execution time "
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"measured");
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row_print(2, 1, "by libprof for a 100 ms sleep, with 1 us "
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"added");
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row_print(3, 1, "each time.");
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row_print(5, 1, "Press F1 to start the test.");
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if(test)
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{
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row_print(7, 1, "Sleep: %.3j ms", sleep_delay);
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row_print(8, 1, "Empty: %d us", empty);
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row_print(9, 1, "Tests: %d", test);
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}
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fkey_button(1, "START");
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#endif /* FXCG50 */
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dupdate();
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key = getkey().key;
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if(key == KEY_F1)
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{
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sleep_delay = run_sleep(delay);
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empty = run_empty();
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delay++;
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test++;
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}
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}
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}
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