diff options
Diffstat (limited to 'samples/bpf/hbm.c')
| -rw-r--r-- | samples/bpf/hbm.c | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/samples/bpf/hbm.c b/samples/bpf/hbm.c index 516fbac28b71..fc88d4dbdf48 100644 --- a/samples/bpf/hbm.c +++ b/samples/bpf/hbm.c @@ -5,7 +5,7 @@ * modify it under the terms of version 2 of the GNU General Public * License as published by the Free Software Foundation. * - * Example program for Host Bandwidth Managment + * Example program for Host Bandwidth Management * * This program loads a cgroup skb BPF program to enforce cgroup output * (egress) or input (ingress) bandwidth limits. @@ -24,7 +24,7 @@ * beyond the rate limit specified while there is available * bandwidth. Current implementation assumes there is only * NIC (eth0), but can be extended to support multiple NICs. - * Currrently only supported for egress. + * Currently only supported for egress. * -h Print this info * prog BPF program file name. Name defaults to hbm_out_kern.o */ @@ -65,7 +65,7 @@ static void Usage(void); static void read_trace_pipe2(void); static void do_error(char *msg, bool errno_flag); -#define DEBUGFS "/sys/kernel/debug/tracing/" +#define TRACEFS "/sys/kernel/tracing/" static struct bpf_program *bpf_prog; static struct bpf_object *obj; @@ -77,7 +77,7 @@ static void read_trace_pipe2(void) FILE *outf; char *outFname = "hbm_out.log"; - trace_fd = open(DEBUGFS "trace_pipe", O_RDONLY, 0); + trace_fd = open(TRACEFS "trace_pipe", O_RDONLY, 0); if (trace_fd < 0) { printf("Error opening trace_pipe\n"); return; @@ -315,6 +315,7 @@ static int run_bpf_prog(char *prog, int cg_id) fout = fopen(fname, "w"); fprintf(fout, "id:%d\n", cg_id); fprintf(fout, "ERROR: Could not lookup queue_stats\n"); + fclose(fout); } else if (stats_flag && qstats.lastPacketTime > qstats.firstPacketTime) { long long delta_us = (qstats.lastPacketTime - @@ -497,7 +498,6 @@ int main(int argc, char **argv) "Option -%c requires an argument.\n\n", optopt); case 'h': - __fallthrough; default: Usage(); return 0; |