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| author | Rickard Green <[email protected]> | 2013-01-08 15:44:45 +0100 |
|---|---|---|
| committer | Rickard Green <[email protected]> | 2013-01-08 19:53:11 +0100 |
| commit | 209655e30a82cdf172211278e01807024eed4130 (patch) | |
| tree | 0ffe34501844754b4125325847ee8dd22d42055b /erts/emulator/beam/erl_cpu_topology.c | |
| parent | d5de2e1ffd6403f5d7ec62e6ce8da508e1cb1239 (diff) | |
| download | otp-209655e30a82cdf172211278e01807024eed4130.tar.gz otp-209655e30a82cdf172211278e01807024eed4130.tar.bz2 otp-209655e30a82cdf172211278e01807024eed4130.zip | |
Add +stbt erl command line switch
Diffstat (limited to 'erts/emulator/beam/erl_cpu_topology.c')
| -rw-r--r-- | erts/emulator/beam/erl_cpu_topology.c | 36 |
1 files changed, 22 insertions, 14 deletions
diff --git a/erts/emulator/beam/erl_cpu_topology.c b/erts/emulator/beam/erl_cpu_topology.c index fe3693d0ca..a55e29b070 100644 --- a/erts/emulator/beam/erl_cpu_topology.c +++ b/erts/emulator/beam/erl_cpu_topology.c @@ -623,30 +623,38 @@ write_schedulers_bind_change(erts_cpu_topology_t *cpudata, int size) int erts_init_scheduler_bind_type_string(char *how) { + ErtsCpuBindOrder order; + if (sys_strcmp(how, "u") == 0) - cpu_bind_order = ERTS_CPU_BIND_NONE; - else if (erts_bind_to_cpu(cpuinfo, -1) == -ENOTSUP) - return ERTS_INIT_SCHED_BIND_TYPE_NOT_SUPPORTED; - else if (!system_cpudata && !user_cpudata) - return ERTS_INIT_SCHED_BIND_TYPE_ERROR_NO_CPU_TOPOLOGY; + order = ERTS_CPU_BIND_NONE; else if (sys_strcmp(how, "db") == 0) - cpu_bind_order = ERTS_CPU_BIND_DEFAULT_BIND; + order = ERTS_CPU_BIND_DEFAULT_BIND; else if (sys_strcmp(how, "s") == 0) - cpu_bind_order = ERTS_CPU_BIND_SPREAD; + order = ERTS_CPU_BIND_SPREAD; else if (sys_strcmp(how, "ps") == 0) - cpu_bind_order = ERTS_CPU_BIND_PROCESSOR_SPREAD; + order = ERTS_CPU_BIND_PROCESSOR_SPREAD; else if (sys_strcmp(how, "ts") == 0) - cpu_bind_order = ERTS_CPU_BIND_THREAD_SPREAD; + order = ERTS_CPU_BIND_THREAD_SPREAD; else if (sys_strcmp(how, "tnnps") == 0) - cpu_bind_order = ERTS_CPU_BIND_THREAD_NO_NODE_PROCESSOR_SPREAD; + order = ERTS_CPU_BIND_THREAD_NO_NODE_PROCESSOR_SPREAD; else if (sys_strcmp(how, "nnps") == 0) - cpu_bind_order = ERTS_CPU_BIND_NO_NODE_PROCESSOR_SPREAD; + order = ERTS_CPU_BIND_NO_NODE_PROCESSOR_SPREAD; else if (sys_strcmp(how, "nnts") == 0) - cpu_bind_order = ERTS_CPU_BIND_NO_NODE_THREAD_SPREAD; + order = ERTS_CPU_BIND_NO_NODE_THREAD_SPREAD; else if (sys_strcmp(how, "ns") == 0) - cpu_bind_order = ERTS_CPU_BIND_NO_SPREAD; + order = ERTS_CPU_BIND_NO_SPREAD; else - return ERTS_INIT_SCHED_BIND_TYPE_ERROR_NO_BAD_TYPE; + return ERTS_INIT_SCHED_BIND_TYPE_ERROR_BAD_TYPE; + + if (order != ERTS_CPU_BIND_NONE) { + if (erts_bind_to_cpu(cpuinfo, -1) == -ENOTSUP) + return ERTS_INIT_SCHED_BIND_TYPE_NOT_SUPPORTED; + else if (!system_cpudata && !user_cpudata) + return ERTS_INIT_SCHED_BIND_TYPE_ERROR_NO_CPU_TOPOLOGY; + } + + cpu_bind_order = order; + return ERTS_INIT_SCHED_BIND_TYPE_SUCCESS; } |