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[94.196.95.64]) by smtp.gmail.com with ESMTPSA id k17-20020a7bc411000000b003dfee43863fsm2092469wmi.26.2023.02.20.17.07.01 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 20 Feb 2023 17:07:02 -0800 (PST) From: Pavel Begunkov To: io-uring@vger.kernel.org Cc: Jens Axboe , asml.silence@gmail.com Subject: [PATCH liburing 3/7] send: test send with hugetlb Date: Tue, 21 Feb 2023 01:05:54 +0000 Message-Id: X-Mailer: git-send-email 2.39.1 In-Reply-To: References: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: io-uring@vger.kernel.org Signed-off-by: Pavel Begunkov --- test/send-zerocopy.c | 31 +++++++++++++++++++++++++------ 1 file changed, 25 insertions(+), 6 deletions(-) diff --git a/test/send-zerocopy.c b/test/send-zerocopy.c index e663be7..f1277fa 100644 --- a/test/send-zerocopy.c +++ b/test/send-zerocopy.c @@ -33,6 +33,8 @@ #include #include #include +#include +#include #include "liburing.h" #include "helpers.h" @@ -56,6 +58,9 @@ enum { BUF_T_SMALL, BUF_T_NONALIGNED, BUF_T_LARGE, + BUF_T_HUGETLB, + + __BUF_NR, }; /* 32MB, should be enough to trigger a short send */ @@ -63,7 +68,7 @@ enum { static size_t page_sz; static char *tx_buffer, *rx_buffer; -static struct iovec buffers_iov[4]; +static struct iovec buffers_iov[__BUF_NR]; static bool has_sendmsg; static bool check_cq_empty(struct io_uring *ring) @@ -748,6 +753,11 @@ int main(int argc, char *argv[]) return T_EXIT_FAIL; } + srand((unsigned)time(NULL)); + for (i = 0; i < len; i++) + tx_buffer[i] = i; + memset(rx_buffer, 0, len); + buffers_iov[BUF_T_NORMAL].iov_base = tx_buffer + page_sz; buffers_iov[BUF_T_NORMAL].iov_len = page_sz; buffers_iov[BUF_T_SMALL].iov_base = tx_buffer; @@ -755,17 +765,26 @@ int main(int argc, char *argv[]) buffers_iov[BUF_T_NONALIGNED].iov_base = tx_buffer + BUFFER_OFFSET; buffers_iov[BUF_T_NONALIGNED].iov_len = 2 * page_sz - BUFFER_OFFSET - 13; + if (len == LARGE_BUF_SIZE) { + void *huge_page; + int off = page_sz + 27; + + len = 1U << 22; + huge_page = mmap(NULL, len, PROT_READ|PROT_WRITE, + MAP_PRIVATE | MAP_HUGETLB | MAP_HUGE_2MB | MAP_ANONYMOUS, + -1, 0); + if (huge_page != MAP_FAILED) { + buffers_iov[BUF_T_HUGETLB].iov_base = huge_page + off; + buffers_iov[BUF_T_HUGETLB].iov_len = len - off; + } + } + ret = io_uring_queue_init(32, &ring, 0); if (ret) { fprintf(stderr, "queue init failed: %d\n", ret); return T_EXIT_FAIL; } - srand((unsigned)time(NULL)); - for (i = 0; i < len; i++) - tx_buffer[i] = i; - memset(rx_buffer, 0, len); - ret = test_basic_send(&ring, sp[0], sp[1]); if (ret == T_EXIT_SKIP) return ret; -- 2.39.1