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spdk_top: check if SPDK target app has been initialized

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Makes spdk_top wait for SPDK target app instead of showing runtime error.

Signed-off-by: Krzysztof Karas <krzysztof.karas@intel.com>
Change-Id: I7cb451afc87f3d21adf55a4bfc984330054711b9
Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/7141
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Community-CI: Mellanox Build Bot
Reviewed-by: Ben Walker <benjamin.walker@intel.com>
Reviewed-by: Tomasz Zawadzki <tomasz.zawadzki@intel.com>
This commit is contained in:
Krzysztof Karas 2021-03-29 14:39:46 +02:00 committed by Tomasz Zawadzki
parent 1f5cb5b1ae
commit 2fd233413b
1 changed files with 34 additions and 2 deletions
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34
app/spdk_top/spdk_top.c
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@ -98,6 +98,7 @@
#define POLLER_WIN_HEIGHT 8 #define POLLER_WIN_HEIGHT 8
#define POLLER_WIN_WIDTH 64 #define POLLER_WIN_WIDTH 64
#define POLLER_WIN_FIRST_COL 14 #define POLLER_WIN_FIRST_COL 14
#define FIRST_DATA_ROW 7
enum tabs { enum tabs {
THREADS_TAB, THREADS_TAB,
@ -2492,9 +2493,36 @@ usage(const char *program_name)
printf(" -h show this usage\n"); printf(" -h show this usage\n");
} }
static int
wait_init(void)
{
struct spdk_jsonrpc_client_response *json_resp = NULL;
char *uninit_log = "Waiting for SPDK target application to initialize...",
*uninit_error = "Unable to read SPDK application state!";
int c, max_col, rc = 0;
max_col = getmaxx(stdscr);
print_in_middle(stdscr, FIRST_DATA_ROW, 1, max_col, uninit_log, COLOR_PAIR(5));
rc = rpc_send_req("framework_wait_init", &json_resp);
if (rc) {
spdk_jsonrpc_client_free_response(json_resp);
while (1) {
print_in_middle(stdscr, FIRST_DATA_ROW, 1, max_col, uninit_error, COLOR_PAIR(8));
c = getch();
if (c == 'q') {
return -1;
}
}
}
spdk_jsonrpc_client_free_response(json_resp);
return 0;
}
int main(int argc, char **argv) int main(int argc, char **argv)
{ {
int op; int op, rc;
char *socket = SPDK_DEFAULT_RPC_ADDR; char *socket = SPDK_DEFAULT_RPC_ADDR;
while ((op = getopt(argc, argv, "r:h")) != -1) { while ((op = getopt(argc, argv, "r:h")) != -1) {
@ -2518,7 +2546,11 @@ int main(int argc, char **argv)
init_str_len(); init_str_len();
setup_ncurses(); setup_ncurses();
draw_interface(); draw_interface();
rc = wait_init();
if (!rc) {
show_stats(); show_stats();
}
finish(0); finish(0);