From: Vamsi Attunuru Date: Mon, 29 Jul 2019 08:08:50 +0000 (+0200) Subject: test/eal: fix --socket-mem option X-Git-Url: http://git.droids-corp.org/?a=commitdiff_plain;h=ae0976c37bbc2748faa1c2d0cac273c7733f34b8;p=dpdk.git test/eal: fix --socket-mem option eal flag autotest fails when multiple mem size flags are passed to --socket-mem option irrespective of RTE_MAX_NUMA_NODES and the number of available sockets on the test system. Fixes: 45f1b6e8680a ("app: add new tests on eal flags") Cc: stable@dpdk.org Signed-off-by: Vamsi Attunuru Signed-off-by: David Marchand Reviewed-by: Vamsi Attunuru Tested-by: Vamsi Attunuru --- diff --git a/app/test/test_eal_flags.c b/app/test/test_eal_flags.c index 672ca0a7ca..827ea8831d 100644 --- a/app/test/test_eal_flags.c +++ b/app/test/test_eal_flags.c @@ -1250,6 +1250,40 @@ test_file_prefix(void) return 0; } +/* This function writes in passed buf pointer a valid --socket-mem= option + * for num_sockets then concatenates the provided suffix string. + * + * Example for num_sockets 4, mem "2", suffix "plop" + * --socket-mem=2,2,2,2plop + */ +static void +populate_socket_mem_param(int num_sockets, const char *mem, + const char *suffix, char *buf, size_t buf_size) +{ + unsigned int offset = 0; + int written; + int i; + + written = snprintf(&buf[offset], buf_size - offset, "--socket-mem="); + if (written < 0 || written + offset >= buf_size) + return; + offset += written; + + for (i = 0; i < num_sockets - 1; i++) { + written = snprintf(&buf[offset], buf_size - offset, + "%s,", mem); + if (written < 0 || written + offset >= buf_size) + return; + offset += written; + } + + written = snprintf(&buf[offset], buf_size - offset, "%s%s", mem, + suffix); + if (written < 0 || written + offset >= buf_size) + return; + offset += written; +} + /* * Tests for correct handling of -m and --socket-mem flags */ @@ -1277,42 +1311,44 @@ test_memory_flags(void) "--file-prefix=" memtest, "-m", DEFAULT_MEM_SIZE}; /* valid (zero) --socket-mem flag */ + char arg2_socket_mem[SOCKET_MEM_STRLEN]; const char *argv2[] = {prgname, - "--file-prefix=" memtest, "--socket-mem=0,0,0,0"}; + "--file-prefix=" memtest, arg2_socket_mem}; /* invalid (incomplete) --socket-mem flag */ + char arg3_socket_mem[SOCKET_MEM_STRLEN]; const char *argv3[] = {prgname, - "--file-prefix=" memtest, "--socket-mem=2,2,"}; + "--file-prefix=" memtest, arg3_socket_mem}; /* invalid (mixed with invalid data) --socket-mem flag */ + char arg4_socket_mem[SOCKET_MEM_STRLEN]; const char *argv4[] = {prgname, - "--file-prefix=" memtest, "--socket-mem=2,2,Fred"}; + "--file-prefix=" memtest, arg4_socket_mem}; /* invalid (with numeric value as last character) --socket-mem flag */ + char arg5_socket_mem[SOCKET_MEM_STRLEN]; const char *argv5[] = {prgname, - "--file-prefix=" memtest, "--socket-mem=2,2,Fred0"}; + "--file-prefix=" memtest, arg5_socket_mem}; /* invalid (with empty socket) --socket-mem flag */ + char arg6_socket_mem[SOCKET_MEM_STRLEN]; const char *argv6[] = {prgname, - "--file-prefix=" memtest, "--socket-mem=2,,2"}; + "--file-prefix=" memtest, arg6_socket_mem}; /* invalid (null) --socket-mem flag */ const char *argv7[] = {prgname, "--file-prefix=" memtest, "--socket-mem="}; /* valid --socket-mem specified together with -m flag */ + char arg8_socket_mem[SOCKET_MEM_STRLEN]; const char *argv8[] = {prgname, - "--file-prefix=" memtest, "-m", DEFAULT_MEM_SIZE, "--socket-mem=2,2"}; - - /* construct an invalid socket mask with 2 megs on each socket plus - * extra 2 megs on socket that doesn't exist on current system */ - char invalid_socket_mem[SOCKET_MEM_STRLEN]; - char buf[SOCKET_MEM_STRLEN]; /* to avoid copying string onto itself */ + "--file-prefix=" memtest, "-m", DEFAULT_MEM_SIZE, + arg8_socket_mem}; #ifdef RTE_EXEC_ENV_FREEBSD - int i, num_sockets = 1; + int num_sockets = 1; #else - int i, num_sockets = RTE_MIN(get_number_of_sockets(), + int num_sockets = RTE_MIN(get_number_of_sockets(), RTE_MAX_NUMA_NODES); #endif @@ -1321,42 +1357,13 @@ test_memory_flags(void) return -1; } - snprintf(invalid_socket_mem, sizeof(invalid_socket_mem), "--socket-mem="); - - /* add one extra socket */ - for (i = 0; i < num_sockets + 1; i++) { - snprintf(buf, sizeof(buf), "%s%s", invalid_socket_mem, DEFAULT_MEM_SIZE); - strlcpy(invalid_socket_mem, buf, sizeof(invalid_socket_mem)); - - if (num_sockets + 1 - i > 1) { - snprintf(buf, sizeof(buf), "%s,", invalid_socket_mem); - strlcpy(invalid_socket_mem, buf, - sizeof(invalid_socket_mem)); - } - } - - /* construct a valid socket mask with 2 megs on each existing socket */ - char valid_socket_mem[SOCKET_MEM_STRLEN]; - - snprintf(valid_socket_mem, sizeof(valid_socket_mem), "--socket-mem="); - - /* add one extra socket */ - for (i = 0; i < num_sockets; i++) { - snprintf(buf, sizeof(buf), "%s%s", valid_socket_mem, DEFAULT_MEM_SIZE); - strlcpy(valid_socket_mem, buf, sizeof(valid_socket_mem)); - - if (num_sockets - i > 1) { - snprintf(buf, sizeof(buf), "%s,", valid_socket_mem); - strlcpy(valid_socket_mem, buf, - sizeof(valid_socket_mem)); - } - } - /* invalid --socket-mem flag (with extra socket) */ + char invalid_socket_mem[SOCKET_MEM_STRLEN]; const char *argv9[] = {prgname, "--file-prefix=" memtest, invalid_socket_mem}; /* valid --socket-mem flag */ + char valid_socket_mem[SOCKET_MEM_STRLEN]; const char *argv10[] = {prgname, "--file-prefix=" memtest, valid_socket_mem}; @@ -1374,34 +1381,49 @@ test_memory_flags(void) printf("Error - process failed with valid -m flag!\n"); return -1; } + + populate_socket_mem_param(num_sockets, "0", "", + arg2_socket_mem, sizeof(arg2_socket_mem)); if (launch_proc(argv2) != 0) { printf("Error - process failed with valid (zero) --socket-mem!\n"); return -1; } - if (launch_proc(argv3) == 0) { - printf("Error - process run ok with invalid " + if (num_sockets > 1) { + populate_socket_mem_param(num_sockets - 1, "2", ",", + arg3_socket_mem, sizeof(arg3_socket_mem)); + if (launch_proc(argv3) == 0) { + printf("Error - process run ok with invalid " "(incomplete) --socket-mem!\n"); - return -1; - } + return -1; + } - if (launch_proc(argv4) == 0) { - printf("Error - process run ok with invalid " + populate_socket_mem_param(num_sockets - 1, "2", ",Fred", + arg4_socket_mem, sizeof(arg4_socket_mem)); + if (launch_proc(argv4) == 0) { + printf("Error - process run ok with invalid " "(mixed with invalid input) --socket-mem!\n"); - return -1; - } + return -1; + } - if (launch_proc(argv5) == 0) { - printf("Error - process run ok with invalid " + populate_socket_mem_param(num_sockets - 1, "2", ",Fred0", + arg5_socket_mem, sizeof(arg5_socket_mem)); + if (launch_proc(argv5) == 0) { + printf("Error - process run ok with invalid " "(mixed with invalid input with a numeric value as " "last character) --socket-mem!\n"); - return -1; + return -1; + } } - if (launch_proc(argv6) == 0) { - printf("Error - process run ok with invalid " + if (num_sockets > 2) { + populate_socket_mem_param(num_sockets - 2, "2", ",,2", + arg6_socket_mem, sizeof(arg6_socket_mem)); + if (launch_proc(argv6) == 0) { + printf("Error - process run ok with invalid " "(with empty socket) --socket-mem!\n"); - return -1; + return -1; + } } if (launch_proc(argv7) == 0) { @@ -1409,16 +1431,22 @@ test_memory_flags(void) return -1; } + populate_socket_mem_param(num_sockets, "2", "", + arg8_socket_mem, sizeof(arg8_socket_mem)); if (launch_proc(argv8) == 0) { printf("Error - process run ok with --socket-mem and -m specified!\n"); return -1; } + populate_socket_mem_param(num_sockets + 1, "2", "", + invalid_socket_mem, sizeof(invalid_socket_mem)); if (launch_proc(argv9) == 0) { printf("Error - process run ok with extra socket in --socket-mem!\n"); return -1; } + populate_socket_mem_param(num_sockets, "2", "", + valid_socket_mem, sizeof(valid_socket_mem)); if (launch_proc(argv10) != 0) { printf("Error - process failed with valid --socket-mem!\n"); return -1;