#include "benchmarks.h"
-#include <sec/hash.h>
#include <drv/timer.h>
#include <string.h>
+static uint8_t buf[512];
+
void hash_benchmark(Hash *h, const char *hname, int numk)
{
- static uint8_t buf[512];
memset(buf, 0x12, sizeof(buf));
-
ticks_t t = timer_clock();
for (int j=0;j<64;++j) {
utime_t usec = ticks_to_us(t) / 64;
kprintf("%s @ %ldMhz: %s of %dKiB of data: %lu.%lu ms\n", CPU_CORE_NAME, CPU_FREQ/1000000, hname, numk, (usec/1000), (usec % 1000));
}
+
+void prng_benchmark(PRNG *prng, const char *hname, int numbytes)
+{
+ memset(buf, 0x12, sizeof(buf));
+
+ ASSERT(sizeof(buf) >= prng_seed_len(prng));
+ prng_reseed(prng, buf);
+
+ ticks_t t = timer_clock();
+ enum { CYCLES = 2048 };
+
+ for (int j=0;j<CYCLES;++j)
+ {
+ for (int i=0; i<(numbytes+511)/512-1; ++i)
+ prng_generate(prng, buf, 512);
+ if (numbytes % 512)
+ prng_generate(prng, buf, numbytes%512);
+ }
+
+ t = timer_clock() - t;
+
+ utime_t usec = ticks_to_us(t) / CYCLES;
+ kprintf("%s @ %ldMhz: %s generation of %d random bytes: %lu.%lu ms\n", CPU_CORE_NAME, CPU_FREQ/1000000, hname, numbytes, (usec/1000), (usec % 1000));
+ kprintf("Sample of random data:\n");
+ kdump(buf, MIN(numbytes, 64));
+}
+
+void cipher_benchmark(BlockCipher *c, const char *cname, int numbytes)
+{
+ memset(buf, 0x12, sizeof(buf));
+
+ ASSERT(sizeof(buf) >= cipher_key_len(c));
+ cipher_set_key(c, buf);
+
+ uint8_t iv[cipher_block_len(c)];
+ memset(iv, 0, sizeof(iv));
+
+ ticks_t t = timer_clock();
+ enum { CYCLES = 64 };
+
+ for (int j=0;j<CYCLES;++j)
+ {
+ cipher_cbc_begin(c, iv);
+ int numblocks = (numbytes / cipher_block_len(c)) + 1;
+ for (int i=0; i<numblocks; ++i)
+ cipher_cbc_encrypt(c, buf);
+ }
+
+ t = timer_clock() - t;
+
+ utime_t usec = ticks_to_us(t) / CYCLES;
+ kprintf("%s @ %ldMhz: %s-CBC of %d bytes: %lu.%lu ms (%d KiB/s)\n",
+ CPU_CORE_NAME, CPU_FREQ/1000000,
+ cname, numbytes,
+ (usec/1000), (usec % 1000),
+ (uint32_t)(numbytes * (CYCLES * 1000000 / 1024) / ticks_to_us(t)));
+}