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authorSuren A. Chilingaryan <csa@dside.dyndns.org>2011-07-14 06:01:27 +0200
committerSuren A. Chilingaryan <csa@dside.dyndns.org>2011-07-14 06:01:27 +0200
commitf4ad2df2209acac66f3df47d847f1f714283feab (patch)
tree23da0368acbb6c15cdebd2a35808cd6bbe99b8ae /cli.c
parentb492b1aac3d12683ccbc973b08b023ba0466cbec (diff)
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First iteration of work to preserve DMA state between executions
Diffstat (limited to 'cli.c')
-rw-r--r--cli.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/cli.c b/cli.c
index 00b2174..bd5a33a 100644
--- a/cli.c
+++ b/cli.c
@@ -146,6 +146,7 @@ void Usage(int argc, char *argv[], const char *format, ...) {
" --start-dma <num>[r|w] - Start specified DMA engine\n"
" --stop-dma [num][r|w] - Stop specified engine or DMA subsystem\n"
" --wait-irq <source> - Wait for IRQ\n"
+" --clean-kernel-memory - Cleans lost kernel space buffers (DANGEROUS)\n"
"\n"
" Addressing:\n"
" -d <device> - FPGA device (/dev/fpga0)\n"
@@ -334,7 +335,7 @@ void Info(pcilib_t *handle, pcilib_model_description_t *model_info) {
}
-#define BENCH_MAX_DMA_SIZE 16 * 1024 * 1024
+#define BENCH_MAX_DMA_SIZE 4 * 1024 * 1024
#define BENCH_MAX_FIFO_SIZE 1024 * 1024
int Benchmark(pcilib_t *handle, ACCESS_MODE mode, pcilib_dma_engine_addr_t dma, pcilib_bar_t bar, uintptr_t addr, size_t n, access_t access, size_t iterations) {