-
Notifications
You must be signed in to change notification settings - Fork 13
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
This commit adds a --nvidia option, which injects a library into the program under measurement, which records entry and exit into CUDA kernels via CUPTI
- Loading branch information
Showing
26 changed files
with
883 additions
and
64 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,50 @@ | ||
| /* | ||
| * This file is part of the lo2s software. | ||
| * Linux OTF2 sampling | ||
| * | ||
| * Copyright (c) 2024, | ||
| * Technische Universitaet Dresden, Germany | ||
| * | ||
| * lo2s is free software: you can redistribute it and/or modify | ||
| * it under the terms of the GNU General Public License as published by | ||
| * the Free Software Foundation, either version 3 of the License, or | ||
| * (at your option) any later version. | ||
| * | ||
| * lo2s is distributed in the hope that it will be useful, | ||
| * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
| * GNU General Public License for more details. | ||
| * | ||
| * You should have received a copy of the GNU General Public License | ||
| * along with lo2s. If not, see <http://www.gnu.org/licenses/>. | ||
| */ | ||
|
|
||
| #pragma once | ||
|
|
||
| #include <cstdint> | ||
|
|
||
| namespace lo2s | ||
| { | ||
| namespace cupti | ||
| { | ||
| enum class EventType : uint64_t | ||
| { | ||
| CUPTI_KERNEL = 1, | ||
| }; | ||
|
|
||
| struct event_header | ||
| { | ||
| EventType type; | ||
| uint64_t size; | ||
| }; | ||
|
|
||
| struct event_kernel | ||
| { | ||
| struct event_header header; | ||
| uint64_t start; | ||
| uint64_t end; | ||
| char name[1]; | ||
| }; | ||
|
|
||
| } // namespace cupti | ||
| } // namespace lo2s |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,98 @@ | ||
| /* | ||
| * This file is part of the lo2s software. | ||
| * Linux OTF2 sampling | ||
| * | ||
| * Copyright (c) 2016, | ||
| * Technische Universitaet Dresden, Germany | ||
| * | ||
| * lo2s is free software: you can redistribute it and/or modify | ||
| * it under the terms of the GNU General Public License as published by | ||
| * the Free Software Foundation, either version 3 of the License, or | ||
| * (at your option) any later version. | ||
| * | ||
| * lo2s is distributed in the hope that it will be useful, | ||
| * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
| * GNU General Public License for more details. | ||
| * | ||
| * You should have received a copy of the GNU General Public License | ||
| * along with lo2s. If not, see <http://www.gnu.org/licenses/>. | ||
| */ | ||
|
|
||
| #pragma once | ||
|
|
||
| #include <lo2s/config.hpp> | ||
| #include <lo2s/cupti/events.hpp> | ||
| #include <lo2s/log.hpp> | ||
| #include <lo2s/perf/time/converter.hpp> | ||
| #include <lo2s/ringbuf.hpp> | ||
| #include <lo2s/trace/trace.hpp> | ||
| #include <lo2s/types.hpp> | ||
|
|
||
| #include <chrono> | ||
| #include <cstdlib> | ||
| #include <string> | ||
|
|
||
| extern "C" | ||
| { | ||
| #include <sys/timerfd.h> | ||
| #include <unistd.h> | ||
| } | ||
|
|
||
| namespace lo2s | ||
| { | ||
| namespace cupti | ||
| { | ||
|
|
||
| class Reader | ||
| { | ||
| public: | ||
| Reader(trace::Trace& trace, Process process) | ||
| : process_(process), trace_(trace), time_converter_(perf::time::Converter::instance()), | ||
| ringbuf_reader_("cupti", process.as_pid_t(), true, config().nvidia_ringbuf_size), | ||
| timer_fd_(timerfd_from_ns(config().userspace_read_interval)), | ||
| executable_name_(get_process_exe(process)) | ||
| { | ||
| } | ||
|
|
||
| void read() | ||
| { | ||
| struct event_header* header = nullptr; | ||
|
|
||
| while ((header = reinterpret_cast<struct event_header*>( | ||
| ringbuf_reader_.get(sizeof(struct event_header)))) != nullptr) | ||
| { | ||
| if (header->type == EventType::CUPTI_KERNEL) | ||
| { | ||
| struct event_kernel* kernel = | ||
| reinterpret_cast<struct event_kernel*>(ringbuf_reader_.get(header->size)); | ||
|
|
||
| auto& writer = trace_.cuda_writer(Thread(process_.as_thread())); | ||
|
|
||
| std::string kernel_name = kernel->name; | ||
| auto& cu_cctx = trace_.cuda_calling_context(executable_name_, kernel_name); | ||
|
|
||
| writer.write_calling_context_enter(time_converter_(kernel->start), cu_cctx.ref(), | ||
| 2); | ||
| writer.write_calling_context_leave(time_converter_(kernel->end), cu_cctx.ref()); | ||
| } | ||
|
|
||
| ringbuf_reader_.pop(header->size); | ||
| } | ||
| } | ||
|
|
||
| int fd() | ||
| { | ||
| return timer_fd_; | ||
| } | ||
|
|
||
| private: | ||
| Process process_; | ||
| trace::Trace& trace_; | ||
| perf::time::Converter& time_converter_; | ||
| RingBufReader ringbuf_reader_; | ||
| int timer_fd_; | ||
| std::string executable_name_; | ||
| }; | ||
| } // namespace cupti | ||
| } // namespace lo2s |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Oops, something went wrong.