From: Yan Wang yan.wang@linux.intel.com

1. Timestamp is changed to 64-bit width. 2. Trace event is still 32-bit. High 32-bit of 64-bit is ignored.

Signed-off-by: Yan Wang yan.wang@linux.intel.com --- rmbox/rmbox.c | 64 ++++++++++++++++++++++++++++++++--------------------------- 1 file changed, 35 insertions(+), 29 deletions(-)

diff --git a/rmbox/rmbox.c b/rmbox/rmbox.c index 3ef6fb4..638158c 100644 --- a/rmbox/rmbox.c +++ b/rmbox/rmbox.c @@ -100,23 +100,22 @@ static void usage(char *name) exit(0); }

-static float to_usecs(uint32_t time, float clk) +static float to_usecs(uint64_t time, float clk) { /* trace timestamp uses CPU system clock at default 25MHz ticks */ // TODO: support variable clock rates - return (float)time / clk; + return (double)time / clk; }

-static void show_trace(uint32_t val, uint32_t addr, uint32_t *timestamp, float clk) +static void show_trace(uint64_t val, uint64_t addr, uint64_t *timestamp, float clk, uint64_t align) { const char *trace; uint32_t class; - uint32_t delta = val - *timestamp; + uint64_t delta = val - *timestamp; float fdelta = to_usecs(delta, clk);

/* timestamp or value ? */ - if ((addr % 8) == 0) { - + if ((addr % align) == 0) { /* buffer wrap ? */ if (val < *timestamp) { printf("----------------------------------------" @@ -129,9 +128,9 @@ static void show_trace(uint32_t val, uint32_t addr, uint32_t *timestamp, float c fdelta = to_usecs(delta, clk); }

- printf("trace.io: timestamp 0x%8.8x (%2.2f us) \tdelta 0x%8.8x (%2.2f us)\t", - (uint32_t)val, to_usecs(val, clk), - (uint32_t)delta, fdelta); + printf("trace.io: timestamp 0x%16.16lx (%2.2f us) \tdelta 0x%16.16lx (%2.2f us)\t", + (uint64_t)val, to_usecs(val, clk), + (uint64_t)delta, fdelta); *timestamp = val; return; } @@ -279,11 +278,12 @@ int main(int argc, char *argv[]) int opt, count; const char * out_file = NULL, *in_file = "/sys/kernel/debug/sof/mbox"; FILE *in_fd = NULL, *out_fd = NULL; - char c, tmp[4] = {0}; - uint32_t addr = 0, val, timestamp = 0; + char c, tmp[8] = {0}; + uint64_t addr = 0, val, timestamp = 0, align = 4, i; float clk = 19.2f; + uint32_t is_dma_trace = 0;

- while ((opt = getopt(argc, argv, "ho:i:s:m:c:")) != -1) { + while ((opt = getopt(argc, argv, "ho:i:s:m:c:t:")) != -1) { switch (opt) { case 'o': out_file = optarg; @@ -291,6 +291,11 @@ int main(int argc, char *argv[]) case 'i': in_file = optarg; break; + case 't': + in_file = optarg; + is_dma_trace = 1; + align = 8; + break; case 'c': clk = atof(optarg); break; @@ -327,36 +332,37 @@ convert: fprintf(stdout, "using %2.2fMHz timestamp clock\n", clk);

while (1) { - count = fread(&tmp[0], 1, 4, in_fd); - if (count != 4) + count = fread(&tmp[0], 1, align, in_fd); + if (count != align) break;

- val = *((uint32_t*)tmp); + val = *((uint64_t*)tmp);

- c = tmp[0]; - tmp[0] = tmp[3]; - tmp[3] = c; - c = tmp[1]; - tmp[1] = tmp[2]; - tmp[2] = c; + for (i = 0; i < align / 2; i++) { + c = tmp[i]; + tmp[i] = tmp[align - i - 1]; + tmp[align - i - 1] = c; + }

- if (addr >= MAILBOX_TRACE_OFFSET && - addr < MAILBOX_TRACE_OFFSET + MAILBOX_TRACE_SIZE) - show_trace(val, addr, &timestamp, clk); + if (is_dma_trace) + show_trace(val, addr, &timestamp, clk, align * 2); + else if (addr >= MAILBOX_TRACE_OFFSET && + addr < MAILBOX_TRACE_OFFSET + MAILBOX_TRACE_SIZE) + show_trace(val, addr, &timestamp, clk, align * 2); else if (addr >= MAILBOX_DEBUG_OFFSET && - addr < MAILBOX_DEBUG_OFFSET + MAILBOX_DEBUG_SIZE) + addr < MAILBOX_DEBUG_OFFSET + MAILBOX_DEBUG_SIZE) show_debug(val, addr); else if (addr >= MAILBOX_EXCEPTION_OFFSET && - addr < MAILBOX_EXCEPTION_OFFSET + MAILBOX_EXCEPTION_SIZE) + addr < MAILBOX_EXCEPTION_OFFSET + MAILBOX_EXCEPTION_SIZE) show_exception(val, addr);

if (out_fd) { - count = fwrite(&tmp[0], 1, 4, out_fd); - if (count != 4) + count = fwrite(&tmp[0], 1, align, out_fd); + if (count != align) break; }

- addr += 4; + addr += align; }

/* close files */