diff --git a/docs/src/misc.rst b/docs/src/misc.rst index 8515cdbc..7640b8b0 100644 --- a/docs/src/misc.rst +++ b/docs/src/misc.rst @@ -131,11 +131,11 @@ Data types char* model; int speed; struct uv_cpu_times_s { - uint64_t user; - uint64_t nice; - uint64_t sys; - uint64_t idle; - uint64_t irq; + uint64_t user; /* milliseconds */ + uint64_t nice; /* milliseconds */ + uint64_t sys; /* milliseconds */ + uint64_t idle; /* milliseconds */ + uint64_t irq; /* milliseconds */ } cpu_times; } uv_cpu_info_t; diff --git a/include/uv.h b/include/uv.h index a3a770db..3a2a504d 100644 --- a/include/uv.h +++ b/include/uv.h @@ -1069,11 +1069,11 @@ UV_EXTERN int uv_cancel(uv_req_t* req); struct uv_cpu_times_s { - uint64_t user; - uint64_t nice; - uint64_t sys; - uint64_t idle; - uint64_t irq; + uint64_t user; /* milliseconds */ + uint64_t nice; /* milliseconds */ + uint64_t sys; /* milliseconds */ + uint64_t idle; /* milliseconds */ + uint64_t irq; /* milliseconds */ }; struct uv_cpu_info_s { diff --git a/src/unix/linux-core.c b/src/unix/linux-core.c index f8d9ff58..99cbb1c8 100644 --- a/src/unix/linux-core.c +++ b/src/unix/linux-core.c @@ -768,7 +768,8 @@ static int read_times(FILE* statfile_fp, unsigned int numcpus, uv_cpu_info_t* ci) { struct uv_cpu_times_s ts; - uint64_t clock_ticks; + unsigned int ticks; + unsigned int multiplier; uint64_t user; uint64_t nice; uint64_t sys; @@ -779,9 +780,10 @@ static int read_times(FILE* statfile_fp, uint64_t len; char buf[1024]; - clock_ticks = sysconf(_SC_CLK_TCK); - assert(clock_ticks != (uint64_t) -1); - assert(clock_ticks != 0); + ticks = (unsigned int)sysconf(_SC_CLK_TCK); + multiplier = ((uint64_t)1000L / ticks); + assert(ticks != (unsigned int) -1); + assert(ticks != 0); rewind(statfile_fp); @@ -823,11 +825,11 @@ static int read_times(FILE* statfile_fp, &irq)) abort(); - ts.user = clock_ticks * user; - ts.nice = clock_ticks * nice; - ts.sys = clock_ticks * sys; - ts.idle = clock_ticks * idle; - ts.irq = clock_ticks * irq; + ts.user = user * multiplier; + ts.nice = nice * multiplier; + ts.sys = sys * multiplier; + ts.idle = idle * multiplier; + ts.irq = irq * multiplier; ci[num++].cpu_times = ts; } assert(num == numcpus);