* [dpdk-stable] [PATCH v4] test: fix --socket-mem option in eal flag autotest
[not found] <20190410072532.17182-1-vattunuru@marvell.com>
@ 2019-07-29 8:08 ` David Marchand
2019-07-30 9:24 ` [dpdk-stable] [dpdk-dev] " Thomas Monjalon
0 siblings, 1 reply; 2+ messages in thread
From: David Marchand @ 2019-07-29 8:08 UTC (permalink / raw)
To: dev; +Cc: Vamsi Attunuru, stable
From: Vamsi Attunuru <vattunuru@marvell.com>
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 <vattunuru@marvell.com>
Signed-off-by: David Marchand <david.marchand@redhat.com>
Reviewed-by: Vamsi Attunuru <vattunuru@marvell.com>
Tested-by: Vamsi Attunuru <vattunuru@marvell.com>
---
app/test/test_eal_flags.c | 144 +++++++++++++++++++++++++++-------------------
1 file changed, 86 insertions(+), 58 deletions(-)
diff --git a/app/test/test_eal_flags.c b/app/test/test_eal_flags.c
index 672ca0a..827ea88 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;
--
1.8.3.1
^ permalink raw reply [flat|nested] 2+ messages in thread