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samples/bpf: syscall_tp_user: Rename num_progs into nr_tests

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The variable name num_progs causes confusion because that variable
really controls the number of rounds the test should be executed.

Rename num_progs into nr_tests for the sake of clarity.

Signed-off-by: Jinghao Jia <jinghao@linux.ibm.com>
Signed-off-by: Ruowen Qin <ruowenq2@illinois.edu>
Signed-off-by: Jinghao Jia <jinghao7@illinois.edu>
Link: https://lore.kernel.org/r/20230917214220.637721-3-jinghao7@illinois.edu
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
This commit is contained in:
Jinghao Jia 2023-09-17 16:42:19 -05:00 committed by Alexei Starovoitov
parent cf67d28de3
commit 0ee352fe0d
1 changed files with 12 additions and 12 deletions
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24
samples/bpf/syscall_tp_user.c
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@ -17,9 +17,9 @@
static void usage(const char *cmd)
{
printf("USAGE: %s [-i num_progs] [-h]\n", cmd);
printf(" -i num_progs # number of progs of the test\n");
printf(" -h # help\n");
printf("USAGE: %s [-i nr_tests] [-h]\n", cmd);
printf(" -i nr_tests # rounds of test to run\n");
printf(" -h # help\n");
}
static void verify_map(int map_id)
@ -45,14 +45,14 @@ static void verify_map(int map_id)
}
}
static int test(char *filename, int num_progs)
static int test(char *filename, int nr_tests)
{
int map0_fds[num_progs], map1_fds[num_progs], fd, i, j = 0;
struct bpf_link *links[num_progs * 4];
struct bpf_object *objs[num_progs];
int map0_fds[nr_tests], map1_fds[nr_tests], fd, i, j = 0;
struct bpf_link *links[nr_tests * 4];
struct bpf_object *objs[nr_tests];
struct bpf_program *prog;
for (i = 0; i < num_progs; i++) {
for (i = 0; i < nr_tests; i++) {
objs[i] = bpf_object__open_file(filename, NULL);
if (libbpf_get_error(objs[i])) {
fprintf(stderr, "opening BPF object file failed\n");
@ -101,7 +101,7 @@ static int test(char *filename, int num_progs)
close(fd);
/* verify the map */
for (i = 0; i < num_progs; i++) {
for (i = 0; i < nr_tests; i++) {
verify_map(map0_fds[i]);
verify_map(map1_fds[i]);
}
@ -117,13 +117,13 @@ cleanup:
int main(int argc, char **argv)
{
int opt, num_progs = 1;
int opt, nr_tests = 1;
char filename[256];
while ((opt = getopt(argc, argv, "i:h")) != -1) {
switch (opt) {
case 'i':
num_progs = atoi(optarg);
nr_tests = atoi(optarg);
break;
case 'h':
default:
@ -134,5 +134,5 @@ int main(int argc, char **argv)
snprintf(filename, sizeof(filename), "%s_kern.o", argv[0]);
return test(filename, num_progs);
return test(filename, nr_tests);
}