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crosvm/swap/Cargo.toml

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Reland "swap: add userfaultfd wrapper" origin: https://chromium-review.googlesource.com/c/crosvm/crosvm/+/3895235 userfaultfd enables applications to handle page faults on designated memory area. vmm-swap feature uses userfaultfd to catch page fault event and swap in the guest memory from the swap file. design document: go/tanooki-phase1-dd BUG=b:215093219 TEST=cargo build --features=swap Change-Id: I36ecfe9be988a4bc451f8edaf2ab48e25c6600f4 Reviewed-on: https://chromium-review.googlesource.com/c/crosvm/crosvm/+/4016142 Commit-Queue: Shin Kawamura <kawasin@google.com> Reviewed-by: David Stevens <stevensd@chromium.org> Reviewed-by: Dennis Kempin <denniskempin@google.com>
2022-09-14 05:18:14 +00:00
[package]
name = "swap"
version = "0.1.0"
Fix remaining Chrome/Chromium OS instances These should be written as ChromeOS and ChromiumOS (without the space) to match the updated branding. The copyright headers were already migrated to the new style (https://crrev.com/c/3894243), but there were some more instances left over. BUG=None TEST=tools/cargo-doc Change-Id: I8c76aea2eb33b2e370ab71ee9b5cc0a4cfd00585 Reviewed-on: https://chromium-review.googlesource.com/c/crosvm/crosvm/+/4129934 Reviewed-by: Dennis Kempin <denniskempin@google.com> Commit-Queue: Daniel Verkamp <dverkamp@chromium.org>
2022-12-29 21:24:33 +00:00
authors = ["The ChromiumOS Authors"]
Reland "swap: add userfaultfd wrapper" origin: https://chromium-review.googlesource.com/c/crosvm/crosvm/+/3895235 userfaultfd enables applications to handle page faults on designated memory area. vmm-swap feature uses userfaultfd to catch page fault event and swap in the guest memory from the swap file. design document: go/tanooki-phase1-dd BUG=b:215093219 TEST=cargo build --features=swap Change-Id: I36ecfe9be988a4bc451f8edaf2ab48e25c6600f4 Reviewed-on: https://chromium-review.googlesource.com/c/crosvm/crosvm/+/4016142 Commit-Queue: Shin Kawamura <kawasin@google.com> Reviewed-by: David Stevens <stevensd@chromium.org> Reviewed-by: Dennis Kempin <denniskempin@google.com>
2022-09-14 05:18:14 +00:00
edition = "2021"
cros_trace: Add initial trace_marker backend This CL adds a new backend for the cros_tracing crate. This backend can be enabled by building crosvm with the trace_marker feature enabled. When the feature is not enabled, no extra overhead incurs as the default NOOP cros_tracing crate will be compiled in instead. BUG=b:259501910 TEST=compiled and ran crosvm with and without `--features trace_marker` Change-Id: Ia4b929b042712a458b7d54c0362d6fda90db9e9f Reviewed-on: https://chromium-review.googlesource.com/c/crosvm/crosvm/+/4075413 Reviewed-by: Christian Blichmann <cblichmann@google.com> Auto-Submit: Morg <morg@chromium.org> Commit-Queue: Morg <morg@chromium.org> Reviewed-by: Keiichi Watanabe <keiichiw@chromium.org>
2022-12-05 06:27:06 +00:00
[features]
trace_marker = ["cros_tracing/trace_marker"]
Reland "swap: add userfaultfd wrapper" origin: https://chromium-review.googlesource.com/c/crosvm/crosvm/+/3895235 userfaultfd enables applications to handle page faults on designated memory area. vmm-swap feature uses userfaultfd to catch page fault event and swap in the guest memory from the swap file. design document: go/tanooki-phase1-dd BUG=b:215093219 TEST=cargo build --features=swap Change-Id: I36ecfe9be988a4bc451f8edaf2ab48e25c6600f4 Reviewed-on: https://chromium-review.googlesource.com/c/crosvm/crosvm/+/4016142 Commit-Queue: Shin Kawamura <kawasin@google.com> Reviewed-by: David Stevens <stevensd@chromium.org> Reviewed-by: Dennis Kempin <denniskempin@google.com>
2022-09-14 05:18:14 +00:00
[dependencies]
Reland "swap: suspend device processes using SIGSTOP signal" origin: https://chromium-review.googlesource.com/c/crosvm/crosvm/+/3932497 ProcessesGuard stops all the crosvm processes except the caller process using SIGSTOP signal because we must guarantee that no one changes the guest memory contents while vmm-swap out. This is a short term solution and will be replaced with device suspension feature later. See the "Write back atomicity" section in go/tanooki-phase1-dd BUG=b:215093219 TEST=cargo build --features=swap Change-Id: I34e528bf318e5ff9277048f3daf8608e7b09ddc7 Reviewed-on: https://chromium-review.googlesource.com/c/crosvm/crosvm/+/4016145 Reviewed-by: David Stevens <stevensd@chromium.org> Commit-Queue: Shin Kawamura <kawasin@google.com>
2022-10-03 07:53:15 +00:00
anyhow = "*"
Reland "swap: add userfaultfd wrapper" origin: https://chromium-review.googlesource.com/c/crosvm/crosvm/+/3895235 userfaultfd enables applications to handle page faults on designated memory area. vmm-swap feature uses userfaultfd to catch page fault event and swap in the guest memory from the swap file. design document: go/tanooki-phase1-dd BUG=b:215093219 TEST=cargo build --features=swap Change-Id: I36ecfe9be988a4bc451f8edaf2ab48e25c6600f4 Reviewed-on: https://chromium-review.googlesource.com/c/crosvm/crosvm/+/4016142 Commit-Queue: Shin Kawamura <kawasin@google.com> Reviewed-by: David Stevens <stevensd@chromium.org> Reviewed-by: Dennis Kempin <denniskempin@google.com>
2022-09-14 05:18:14 +00:00
base = { path = "../base" }
cros_trace: Add initial trace_marker backend This CL adds a new backend for the cros_tracing crate. This backend can be enabled by building crosvm with the trace_marker feature enabled. When the feature is not enabled, no extra overhead incurs as the default NOOP cros_tracing crate will be compiled in instead. BUG=b:259501910 TEST=compiled and ran crosvm with and without `--features trace_marker` Change-Id: Ia4b929b042712a458b7d54c0362d6fda90db9e9f Reviewed-on: https://chromium-review.googlesource.com/c/crosvm/crosvm/+/4075413 Reviewed-by: Christian Blichmann <cblichmann@google.com> Auto-Submit: Morg <morg@chromium.org> Commit-Queue: Morg <morg@chromium.org> Reviewed-by: Keiichi Watanabe <keiichiw@chromium.org>
2022-12-05 06:27:06 +00:00
cros_tracing = { path = "../cros_tracing" }
crosvm: pre-release alpha for data_model data_model is probably going away in the future, but until we can release it as pre-release alpha for internal efforts. (context: https://fxbug.dev/114169) BUG=b:173630595 TEST=compile Change-Id: Ie13ec3ab9083d315c78a035b532132296a8fb651 Reviewed-on: https://chromium-review.googlesource.com/c/crosvm/crosvm/+/4082333 Reviewed-by: Dennis Kempin <denniskempin@google.com> Commit-Queue: Gurchetan Singh <gurchetansingh@chromium.org>
2022-12-06 20:38:11 +00:00
data_model = { path = "../common/data_model" }
Reland "swap: add userfaultfd wrapper" origin: https://chromium-review.googlesource.com/c/crosvm/crosvm/+/3895235 userfaultfd enables applications to handle page faults on designated memory area. vmm-swap feature uses userfaultfd to catch page fault event and swap in the guest memory from the swap file. design document: go/tanooki-phase1-dd BUG=b:215093219 TEST=cargo build --features=swap Change-Id: I36ecfe9be988a4bc451f8edaf2ab48e25c6600f4 Reviewed-on: https://chromium-review.googlesource.com/c/crosvm/crosvm/+/4016142 Commit-Queue: Shin Kawamura <kawasin@google.com> Reviewed-by: David Stevens <stevensd@chromium.org> Reviewed-by: Dennis Kempin <denniskempin@google.com>
2022-09-14 05:18:14 +00:00
libc = "*"
swap: add commands for vmm-swap out Added new crosvm commands "crosvm swap enable" and "crosvm swap status". swap crate exposes SwapController to control the vmm-swap feature. When vmm-swap is enabled, all the pages on the GuestMemory are swapped out to a file and are freed to give a lot of memory back to OS. design document: go/tanooki-phase1-dd BUG=b:215093219 TEST=manually tested Change-Id: Ideb10b0119edd9f47b66c8ac61add21ac08181d4 Reviewed-on: https://chromium-review.googlesource.com/c/crosvm/crosvm/+/3871758 Reviewed-by: David Stevens <stevensd@chromium.org> Commit-Queue: Shin Kawamura <kawasin@google.com>
2022-09-02 15:49:50 +00:00
minijail = "*"
swap: add helpers for pagesize Using the cached page size shift has several performance benefits listed at the comment of the file. BUG=b:260543132 TEST=cargo test -p swap Change-Id: Ic7a19135b7a2e29c032c73fa7dca1d853cdb5e48 Reviewed-on: https://chromium-review.googlesource.com/c/crosvm/crosvm/+/4125177 Reviewed-by: David Stevens <stevensd@chromium.org> Reviewed-by: Dennis Kempin <denniskempin@google.com> Commit-Queue: Shin Kawamura <kawasin@google.com>
2022-12-26 04:18:33 +00:00
once_cell = "*"
swap: add commands for vmm-swap out Added new crosvm commands "crosvm swap enable" and "crosvm swap status". swap crate exposes SwapController to control the vmm-swap feature. When vmm-swap is enabled, all the pages on the GuestMemory are swapped out to a file and are freed to give a lot of memory back to OS. design document: go/tanooki-phase1-dd BUG=b:215093219 TEST=manually tested Change-Id: Ideb10b0119edd9f47b66c8ac61add21ac08181d4 Reviewed-on: https://chromium-review.googlesource.com/c/crosvm/crosvm/+/3871758 Reviewed-by: David Stevens <stevensd@chromium.org> Commit-Queue: Shin Kawamura <kawasin@google.com>
2022-09-02 15:49:50 +00:00
remain = "*"
serde = { version = "1", features = [ "derive" ] }
swap: log page fault event The new command "crosvm swap log_pagefault <socket>" starts logging page fault events. The log file "page_fault.log" will be located under the swap directory. Pagefault event log help up debugging the vmm-swap feature and understand the memory usage of the guest os. design document: go/tanooki-phase1-dd BUG=b:253555760 TEST=manually tested. this is debug feature. Change-Id: I13e36cef873cd83179032fe8a289c8df71384644 Reviewed-on: https://chromium-review.googlesource.com/c/crosvm/crosvm/+/3954806 Reviewed-by: Daniel Verkamp <dverkamp@chromium.org> Reviewed-by: David Stevens <stevensd@chromium.org> Commit-Queue: Shin Kawamura <kawasin@google.com>
2022-10-14 08:06:52 +00:00
serde_json = "*"
swap: add commands for vmm-swap out Added new crosvm commands "crosvm swap enable" and "crosvm swap status". swap crate exposes SwapController to control the vmm-swap feature. When vmm-swap is enabled, all the pages on the GuestMemory are swapped out to a file and are freed to give a lot of memory back to OS. design document: go/tanooki-phase1-dd BUG=b:215093219 TEST=manually tested Change-Id: Ideb10b0119edd9f47b66c8ac61add21ac08181d4 Reviewed-on: https://chromium-review.googlesource.com/c/crosvm/crosvm/+/3871758 Reviewed-by: David Stevens <stevensd@chromium.org> Commit-Queue: Shin Kawamura <kawasin@google.com>
2022-09-02 15:49:50 +00:00
sync = { path = "../common/sync" } # provided by ebuild
Reland "swap: add swap file" origin: https://chromium-review.googlesource.com/c/crosvm/crosvm/+/3930082 SwapFile saves the active pages in the memory region to a file. design document: go/tanooki-phase1-dd BUG=b:215093219 TEST=cargo test -p swap Change-Id: Idce637ed069665e174b36c21a32afdad2f00fea1 Reviewed-on: https://chromium-review.googlesource.com/c/crosvm/crosvm/+/4016143 Reviewed-by: David Stevens <stevensd@chromium.org> Commit-Queue: Shin Kawamura <kawasin@google.com>
2022-09-30 15:36:52 +00:00
tempfile = "*"
thiserror = "*"
Reland "swap: add userfaultfd wrapper" origin: https://chromium-review.googlesource.com/c/crosvm/crosvm/+/3895235 userfaultfd enables applications to handle page faults on designated memory area. vmm-swap feature uses userfaultfd to catch page fault event and swap in the guest memory from the swap file. design document: go/tanooki-phase1-dd BUG=b:215093219 TEST=cargo build --features=swap Change-Id: I36ecfe9be988a4bc451f8edaf2ab48e25c6600f4 Reviewed-on: https://chromium-review.googlesource.com/c/crosvm/crosvm/+/4016142 Commit-Queue: Shin Kawamura <kawasin@google.com> Reviewed-by: David Stevens <stevensd@chromium.org> Reviewed-by: Dennis Kempin <denniskempin@google.com>
2022-09-14 05:18:14 +00:00
userfaultfd = "0.5.0"
swap: add commands for vmm-swap out Added new crosvm commands "crosvm swap enable" and "crosvm swap status". swap crate exposes SwapController to control the vmm-swap feature. When vmm-swap is enabled, all the pages on the GuestMemory are swapped out to a file and are freed to give a lot of memory back to OS. design document: go/tanooki-phase1-dd BUG=b:215093219 TEST=manually tested Change-Id: Ideb10b0119edd9f47b66c8ac61add21ac08181d4 Reviewed-on: https://chromium-review.googlesource.com/c/crosvm/crosvm/+/3871758 Reviewed-by: David Stevens <stevensd@chromium.org> Commit-Queue: Shin Kawamura <kawasin@google.com>
2022-09-02 15:49:50 +00:00
vm_memory = { path = "../vm_memory"}
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