From 71330483a19303e5001ea70af80672cbe6cd881b Mon Sep 17 00:00:00 2001 From: Radoslaw Biernacki Date: Wed, 8 Nov 2017 13:33:14 +0100 Subject: [PATCH] test/memzone: fix memory leak This patch fixes the memory leaks in memzone_autotest. Those memory leaks lead to failures in tests from the same testing group due to out of memory problems. With introduction of rte_memzone_free() it is now possible to free the memzone. Fix uses this API call to make a clean after each test case. Fixes: ff909fe21f0a ("mem: introduce memzone freeing") Cc: stable@dpdk.org Signed-off-by: Radoslaw Biernacki --- test/test/test_memzone.c | 135 ++++++++++++++++++++++++++++++++++++++- 1 file changed, 134 insertions(+), 1 deletion(-) diff --git a/test/test/test_memzone.c b/test/test/test_memzone.c index c9394c4a28..1cf235a9cc 100644 --- a/test/test/test_memzone.c +++ b/test/test/test_memzone.c @@ -176,6 +176,10 @@ test_memzone_reserve_flags(void) printf("hugepage_sz not equal 2M\n"); return -1; } + if (rte_memzone_free(mz)) { + printf("Fail memzone free\n"); + return -1; + } mz = rte_memzone_reserve("flag_zone_2M_HINT", size, SOCKET_ID_ANY, RTE_MEMZONE_2MB|RTE_MEMZONE_SIZE_HINT_ONLY); @@ -187,6 +191,10 @@ test_memzone_reserve_flags(void) printf("hugepage_sz not equal 2M\n"); return -1; } + if (rte_memzone_free(mz)) { + printf("Fail memzone free\n"); + return -1; + } /* Check if 1GB huge pages are unavailable, that function fails unless * HINT flag is indicated @@ -202,6 +210,10 @@ test_memzone_reserve_flags(void) printf("hugepage_sz not equal 2M\n"); return -1; } + if (rte_memzone_free(mz)) { + printf("Fail memzone free\n"); + return -1; + } mz = rte_memzone_reserve("flag_zone_1G", size, SOCKET_ID_ANY, RTE_MEMZONE_1GB); @@ -224,6 +236,10 @@ test_memzone_reserve_flags(void) printf("hugepage_sz not equal 1G\n"); return -1; } + if (rte_memzone_free(mz)) { + printf("Fail memzone free\n"); + return -1; + } mz = rte_memzone_reserve("flag_zone_1G_HINT", size, SOCKET_ID_ANY, RTE_MEMZONE_1GB|RTE_MEMZONE_SIZE_HINT_ONLY); @@ -235,6 +251,10 @@ test_memzone_reserve_flags(void) printf("hugepage_sz not equal 1G\n"); return -1; } + if (rte_memzone_free(mz)) { + printf("Fail memzone free\n"); + return -1; + } /* Check if 1GB huge pages are unavailable, that function fails unless * HINT flag is indicated @@ -250,12 +270,20 @@ test_memzone_reserve_flags(void) printf("hugepage_sz not equal 1G\n"); return -1; } + if (rte_memzone_free(mz)) { + printf("Fail memzone free\n"); + return -1; + } mz = rte_memzone_reserve("flag_zone_2M", size, SOCKET_ID_ANY, RTE_MEMZONE_2MB); if (mz != NULL) { printf("MEMZONE FLAG 2MB\n"); return -1; } + if (rte_memzone_free(mz)) { + printf("Fail memzone free\n"); + return -1; + } } if (hugepage_2MB_avail && hugepage_1GB_avail) { @@ -285,6 +313,10 @@ test_memzone_reserve_flags(void) printf("hugepage_sz not equal 16M\n"); return -1; } + if (rte_memzone_free(mz)) { + printf("Fail memzone free\n"); + return -1; + } mz = rte_memzone_reserve("flag_zone_16M_HINT", size, SOCKET_ID_ANY, RTE_MEMZONE_16MB|RTE_MEMZONE_SIZE_HINT_ONLY); @@ -296,6 +328,10 @@ test_memzone_reserve_flags(void) printf("hugepage_sz not equal 16M\n"); return -1; } + if (rte_memzone_free(mz)) { + printf("Fail memzone free\n"); + return -1; + } /* Check if 1GB huge pages are unavailable, that function fails * unless HINT flag is indicated @@ -312,6 +348,10 @@ test_memzone_reserve_flags(void) printf("hugepage_sz not equal 16M\n"); return -1; } + if (rte_memzone_free(mz)) { + printf("Fail memzone free\n"); + return -1; + } mz = rte_memzone_reserve("flag_zone_16G", size, SOCKET_ID_ANY, RTE_MEMZONE_16GB); @@ -333,6 +373,10 @@ test_memzone_reserve_flags(void) printf("hugepage_sz not equal 16G\n"); return -1; } + if (rte_memzone_free(mz)) { + printf("Fail memzone free\n"); + return -1; + } mz = rte_memzone_reserve("flag_zone_16G_HINT", size, SOCKET_ID_ANY, RTE_MEMZONE_16GB|RTE_MEMZONE_SIZE_HINT_ONLY); @@ -344,6 +388,10 @@ test_memzone_reserve_flags(void) printf("hugepage_sz not equal 16G\n"); return -1; } + if (rte_memzone_free(mz)) { + printf("Fail memzone free\n"); + return -1; + } /* Check if 1GB huge pages are unavailable, that function fails * unless HINT flag is indicated @@ -360,6 +408,10 @@ test_memzone_reserve_flags(void) printf("hugepage_sz not equal 16G\n"); return -1; } + if (rte_memzone_free(mz)) { + printf("Fail memzone free\n"); + return -1; + } mz = rte_memzone_reserve("flag_zone_16M", size, SOCKET_ID_ANY, RTE_MEMZONE_16MB); if (mz != NULL) { @@ -434,6 +486,12 @@ test_memzone_reserve_max(void) rte_memzone_dump(stdout); return -1; } + + if (rte_memzone_free(mz)) { + printf("Fail memzone free\n"); + return -1; + } + return 0; } @@ -473,6 +531,12 @@ test_memzone_reserve_max_aligned(void) rte_memzone_dump(stdout); return -1; } + + if (rte_memzone_free(mz)) { + printf("Fail memzone free\n"); + return -1; + } + return 0; } @@ -593,6 +657,28 @@ test_memzone_aligned(void) if (is_memory_overlap(memzone_aligned_512->iova, memzone_aligned_512->len, memzone_aligned_1024->iova, memzone_aligned_1024->len)) return -1; + + /* free all used zones */ + if (rte_memzone_free(memzone_aligned_32)) { + printf("Fail memzone free\n"); + return -1; + } + if (rte_memzone_free(memzone_aligned_128)) { + printf("Fail memzone free\n"); + return -1; + } + if (rte_memzone_free(memzone_aligned_256)) { + printf("Fail memzone free\n"); + return -1; + } + if (rte_memzone_free(memzone_aligned_512)) { + printf("Fail memzone free\n"); + return -1; + } + if (rte_memzone_free(memzone_aligned_1024)) { + printf("Fail memzone free\n"); + return -1; + } return 0; } @@ -638,6 +724,11 @@ check_memzone_bounded(const char *name, uint32_t len, uint32_t align, return -1; } + if (rte_memzone_free(mz)) { + printf("Fail memzone free\n"); + return -1; + } + return 0; } @@ -758,7 +849,7 @@ test_memzone_free(void) } static int -test_memzone(void) +test_memzone_basic(void) { const struct rte_memzone *memzone1; const struct rte_memzone *memzone2; @@ -837,6 +928,40 @@ test_memzone(void) if (mz != NULL) return -1; + if (rte_memzone_free(memzone1)) { + printf("Fail memzone free - memzone1\n"); + return -1; + } + if (rte_memzone_free(memzone2)) { + printf("Fail memzone free - memzone2\n"); + return -1; + } + if (memzone3 && rte_memzone_free(memzone3)) { + printf("Fail memzone free - memzone3\n"); + return -1; + } + if (rte_memzone_free(memzone4)) { + printf("Fail memzone free - memzone4\n"); + return -1; + } + + return 0; +} + +static int memzone_calk_called; +static void memzone_walk_clb(const struct rte_memzone *mz __rte_unused, + void *arg __rte_unused) +{ + memzone_calk_called = 1; +} + +static int +test_memzone(void) +{ + printf("test basic memzone API\n"); + if (test_memzone_basic() < 0) + return -1; + printf("test free memzone\n"); if (test_memzone_free() < 0) return -1; @@ -869,6 +994,14 @@ test_memzone(void) if (test_memzone_reserve_max_aligned() < 0) return -1; + printf("check memzone cleanup\n"); + rte_memzone_walk(memzone_walk_clb, NULL); + if (memzone_calk_called) { + printf("there are some memzones left after test\n"); + rte_memzone_dump(stdout); + return -1; + } + return 0; } -- 2.20.1