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| 1 | +# Copyright 2022-2024 The Ramble Authors |
| 2 | +# |
| 3 | +# Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or |
| 4 | +# https://www.apache.org/licenses/LICENSE-2.0> or the MIT license |
| 5 | +# <LICENSE-MIT or https://opensource.org/licenses/MIT>, at your |
| 6 | +# option. This file may not be copied, modified, or distributed |
| 7 | +# except according to those terms. |
| 8 | + |
| 9 | +import os |
| 10 | + |
| 11 | +from ramble.modkit import * |
| 12 | + |
| 13 | + |
| 14 | +class TunedAdm(BasicModifier): |
| 15 | + """Define a modifier for TunedAdm |
| 16 | +
|
| 17 | + This modifier is used to select a specific tuned profile. |
| 18 | + It also records the selected profile as a FOM. |
| 19 | + """ |
| 20 | + |
| 21 | + name = "tuned-adm" |
| 22 | + |
| 23 | + tags("system-info", "sysinfo", "platform-info") |
| 24 | + |
| 25 | + maintainers("douglasjacobsen") |
| 26 | + |
| 27 | + mode("standard", description="Standard execution mode for tuned-adm") |
| 28 | + |
| 29 | + software_spec("pdsh", pkg_spec="pdsh", package_manager="spack*") |
| 30 | + |
| 31 | + required_variable("hostlist") |
| 32 | + |
| 33 | + modifier_variable( |
| 34 | + "tuned-profile", |
| 35 | + default="google-hpc-compute-throughput", |
| 36 | + description="tuned profile to use", |
| 37 | + mode="standard", |
| 38 | + ) |
| 39 | + |
| 40 | + register_builtin("set_tuning_profile") |
| 41 | + |
| 42 | + def set_tuning_profile(self): |
| 43 | + return [ |
| 44 | + "pdsh -w {hostlist} sudo tuned-adm profile {tuned-profile}", |
| 45 | + "pdsh -w {hostlist} sudo tuned-adm active > {experiment_run_dir}/tuning_profile", |
| 46 | + ] |
| 47 | + |
| 48 | + def _prepare_analysis(self, workspace): |
| 49 | + profile_path = os.path.join( |
| 50 | + self.expander.expand_var("{experiment_run_dir}"), |
| 51 | + "tuning_profile", |
| 52 | + ) |
| 53 | + |
| 54 | + if not os.path.exists(profile_path): |
| 55 | + return |
| 56 | + |
| 57 | + profiles = set() |
| 58 | + with open(profile_path) as f: |
| 59 | + |
| 60 | + for line in f.readlines(): |
| 61 | + if "active profile:" in line: |
| 62 | + profiles.add(line.split(":")[-1].strip()) |
| 63 | + profiles_str = ",".join(profiles) |
| 64 | + |
| 65 | + if profiles: |
| 66 | + with open(profile_path, "a") as f: |
| 67 | + profiles_str = ",".join(profiles) |
| 68 | + f.write(f"Applied profiles: {profiles_str}") |
| 69 | + |
| 70 | + figure_of_merit( |
| 71 | + "Tuning Profile", |
| 72 | + fom_regex=r"Applied profiles:\s*(?P<profile>.*)", |
| 73 | + log_file="{experiment_run_dir}/tuning_profile", |
| 74 | + group_name="profile", |
| 75 | + units="", |
| 76 | + ) |
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