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| author | Matias Elo <matias.elo@nokia.com> | 2024-01-30 11:10:37 +0200 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2024-01-30 11:10:37 +0200 |
| commit | 72c5001709bf6f846cf67c40c48fc66e89356598 (patch) | |
| tree | 94381110518ad938cb9e2752634ad2f36b0d3d50 /platform/linux-generic/arch/common/odp_time_cpu.c | |
| parent | 1dc95af0293405de4b3c91e06aedb7703413a1bd (diff) | |
| parent | 219bf470229c42d77bf9cf6314b360ad9f233db1 (diff) | |
Merge ODP v1.43.0.0v1.43.0.0_DPDK_22.11
Merge ODP linux-generic v1.43.0.0 into linux-dpdk.
Diffstat (limited to 'platform/linux-generic/arch/common/odp_time_cpu.c')
| -rw-r--r-- | platform/linux-generic/arch/common/odp_time_cpu.c | 28 |
1 files changed, 27 insertions, 1 deletions
diff --git a/platform/linux-generic/arch/common/odp_time_cpu.c b/platform/linux-generic/arch/common/odp_time_cpu.c index bbfe82e21..3c392de0c 100644 --- a/platform/linux-generic/arch/common/odp_time_cpu.c +++ b/platform/linux-generic/arch/common/odp_time_cpu.c @@ -17,6 +17,8 @@ #include <stdint.h> #include <string.h> +#define YEAR_IN_SEC (365 * 24 * 3600) + #include <odp/visibility_begin.h> _odp_time_global_t _odp_time_glob; @@ -25,6 +27,8 @@ _odp_time_global_t _odp_time_glob; int _odp_time_init_global(void) { + uint64_t count, diff, years; + odp_time_t time; _odp_time_global_t *global = &_odp_time_glob; memset(global, 0, sizeof(_odp_time_global_t)); @@ -38,7 +42,29 @@ int _odp_time_init_global(void) _ODP_PRINT("HW time counter freq: %" PRIu64 " hz\n\n", global->freq_hz); - global->start_time = _odp_time_cpu_global(); + count = _odp_time_cpu_global(); + time.count = count; + global->start_time = count; + global->start_time_ns = _odp_time_to_ns(time); + + /* Make sure that counters will not wrap */ + diff = UINT64_MAX - count; + years = (diff / global->freq_hz) / YEAR_IN_SEC; + + if (years < 10) { + _ODP_ERR("Time counter would wrap in 10 years: %" PRIu64 "\n", count); + return -1; + } + + diff = UINT64_MAX - global->start_time_ns; + years = (diff / ODP_TIME_SEC_IN_NS) / YEAR_IN_SEC; + + if (years < 10) { + _ODP_ERR("Time in nsec would wrap in 10 years: %" PRIu64 "\n", + global->start_time_ns); + return -1; + } + return 0; } |