diff options
Diffstat (limited to 'samples/bpf/xdp_monitor_user.c')
| -rw-r--r-- | samples/bpf/xdp_monitor_user.c | 77 |
1 files changed, 72 insertions, 5 deletions
diff --git a/samples/bpf/xdp_monitor_user.c b/samples/bpf/xdp_monitor_user.c index eec14520d513..dd558cbb2309 100644 --- a/samples/bpf/xdp_monitor_user.c +++ b/samples/bpf/xdp_monitor_user.c @@ -26,7 +26,7 @@ static const char *__doc_err_only__= #include <net/if.h> #include <time.h> -#include "libbpf.h" +#include <bpf/bpf.h> #include "bpf_load.h" #include "bpf_util.h" @@ -58,7 +58,7 @@ static void usage(char *argv[]) printf(" flag (internal value:%d)", *long_options[i].flag); else - printf("(internal short-option: -%c)", + printf("short-option: -%c", long_options[i].val); printf("\n"); } @@ -117,6 +117,7 @@ struct datarec { __u64 processed; __u64 dropped; __u64 info; + __u64 err; }; #define MAX_CPUS 64 @@ -141,6 +142,7 @@ struct stats_record { struct record_u64 xdp_exception[XDP_ACTION_MAX]; struct record xdp_cpumap_kthread; struct record xdp_cpumap_enqueue[MAX_CPUS]; + struct record xdp_devmap_xmit; }; static bool map_collect_record(int fd, __u32 key, struct record *rec) @@ -151,6 +153,7 @@ static bool map_collect_record(int fd, __u32 key, struct record *rec) __u64 sum_processed = 0; __u64 sum_dropped = 0; __u64 sum_info = 0; + __u64 sum_err = 0; int i; if ((bpf_map_lookup_elem(fd, &key, values)) != 0) { @@ -169,10 +172,13 @@ static bool map_collect_record(int fd, __u32 key, struct record *rec) sum_dropped += values[i].dropped; rec->cpu[i].info = values[i].info; sum_info += values[i].info; + rec->cpu[i].err = values[i].err; + sum_err += values[i].err; } rec->total.processed = sum_processed; rec->total.dropped = sum_dropped; rec->total.info = sum_info; + rec->total.err = sum_err; return true; } @@ -273,6 +279,18 @@ static double calc_info(struct datarec *r, struct datarec *p, double period) return pps; } +static double calc_err(struct datarec *r, struct datarec *p, double period) +{ + __u64 packets = 0; + double pps = 0; + + if (period > 0) { + packets = r->err - p->err; + pps = packets / period; + } + return pps; +} + static void stats_print(struct stats_record *stats_rec, struct stats_record *stats_prev, bool err_only) @@ -330,7 +348,7 @@ static void stats_print(struct stats_record *stats_rec, pps = calc_pps_u64(r, p, t); if (pps > 0) printf(fmt1, "Exception", i, - 0.0, pps, err2str(rec_i)); + 0.0, pps, action2str(rec_i)); } pps = calc_pps_u64(&rec->total, &prev->total, t); if (pps > 0) @@ -397,7 +415,7 @@ static void stats_print(struct stats_record *stats_rec, info = calc_info(r, p, t); if (info > 0) i_str = "sched"; - if (pps > 0) + if (pps > 0 || drop > 0) printf(fmt1, "cpumap-kthread", i, pps, drop, info, i_str); } @@ -409,6 +427,50 @@ static void stats_print(struct stats_record *stats_rec, printf(fmt2, "cpumap-kthread", "total", pps, drop, info, i_str); } + /* devmap ndo_xdp_xmit stats */ + { + char *fmt1 = "%-15s %-7d %'-12.0f %'-12.0f %'-10.2f %s %s\n"; + char *fmt2 = "%-15s %-7s %'-12.0f %'-12.0f %'-10.2f %s %s\n"; + struct record *rec, *prev; + double drop, info, err; + char *i_str = ""; + char *err_str = ""; + + rec = &stats_rec->xdp_devmap_xmit; + prev = &stats_prev->xdp_devmap_xmit; + t = calc_period(rec, prev); + for (i = 0; i < nr_cpus; i++) { + struct datarec *r = &rec->cpu[i]; + struct datarec *p = &prev->cpu[i]; + + pps = calc_pps(r, p, t); + drop = calc_drop(r, p, t); + info = calc_info(r, p, t); + err = calc_err(r, p, t); + if (info > 0) { + i_str = "bulk-average"; + info = (pps+drop) / info; /* calc avg bulk */ + } + if (err > 0) + err_str = "drv-err"; + if (pps > 0 || drop > 0) + printf(fmt1, "devmap-xmit", + i, pps, drop, info, i_str, err_str); + } + pps = calc_pps(&rec->total, &prev->total, t); + drop = calc_drop(&rec->total, &prev->total, t); + info = calc_info(&rec->total, &prev->total, t); + err = calc_err(&rec->total, &prev->total, t); + if (info > 0) { + i_str = "bulk-average"; + info = (pps+drop) / info; /* calc avg bulk */ + } + if (err > 0) + err_str = "drv-err"; + printf(fmt2, "devmap-xmit", "total", pps, drop, + info, i_str, err_str); + } + printf("\n"); } @@ -437,6 +499,9 @@ static bool stats_collect(struct stats_record *rec) fd = map_data[3].fd; /* map3: cpumap_kthread_cnt */ map_collect_record(fd, 0, &rec->xdp_cpumap_kthread); + fd = map_data[4].fd; /* map4: devmap_xmit_cnt */ + map_collect_record(fd, 0, &rec->xdp_devmap_xmit); + return true; } @@ -480,6 +545,7 @@ static struct stats_record *alloc_stats_record(void) rec_sz = sizeof(struct datarec); rec->xdp_cpumap_kthread.cpu = alloc_rec_per_cpu(rec_sz); + rec->xdp_devmap_xmit.cpu = alloc_rec_per_cpu(rec_sz); for (i = 0; i < MAX_CPUS; i++) rec->xdp_cpumap_enqueue[i].cpu = alloc_rec_per_cpu(rec_sz); @@ -498,6 +564,7 @@ static void free_stats_record(struct stats_record *r) free(r->xdp_exception[i].cpu); free(r->xdp_cpumap_kthread.cpu); + free(r->xdp_devmap_xmit.cpu); for (i = 0; i < MAX_CPUS; i++) free(r->xdp_cpumap_enqueue[i].cpu); @@ -594,7 +661,7 @@ int main(int argc, char **argv) snprintf(bpf_obj_file, sizeof(bpf_obj_file), "%s_kern.o", argv[0]); /* Parse commands line args */ - while ((opt = getopt_long(argc, argv, "h", + while ((opt = getopt_long(argc, argv, "hDSs:", long_options, &longindex)) != -1) { switch (opt) { case 'D': |