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Tanish Desai and Paolo Bonzini's tracing Rust support.
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Merge tag 'tracing-pull-request' of https://gitlab.com/stefanha/qemu into staging

Pull request

Tanish Desai and Paolo Bonzini's tracing Rust support.

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# gpg: Signature made Wed 01 Oct 2025 08:30:42 AM PDT
# gpg:                using RSA key 8695A8BFD3F97CDAAC35775A9CA4ABB381AB73C8
# gpg: Good signature from "Stefan Hajnoczi <stefanha@redhat.com>" [unknown]
# gpg:                 aka "Stefan Hajnoczi <stefanha@gmail.com>" [unknown]
# gpg: WARNING: This key is not certified with a trusted signature!
# gpg:          There is no indication that the signature belongs to the owner.
# Primary key fingerprint: 8695 A8BF D3F9 7CDA AC35  775A 9CA4 ABB3 81AB 73C8

* tag 'tracing-pull-request' of https://gitlab.com/stefanha/qemu:
  tracetool/syslog: add Rust support
  tracetool/ftrace: add Rust support
  tracetool/log: add Rust support
  log: change qemu_loglevel to unsigned
  tracetool/simple: add Rust support
  rust: pl011: add tracepoints
  rust: qdev: add minimal clock bindings
  rust: add trace crate
  tracetool: Add Rust format support
  tracetool/backend: remove redundant trace event checks
  tracetool: add CHECK_TRACE_EVENT_GET_STATE
  trace/ftrace: move snprintf+write from tracepoints to ftrace.c
  tracetool: add SPDX headers
  treewide: remove unnessary "coding" header
  tracetool: remove dead code
  tracetool: fix usage of try_import()

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
This commit is contained in:
Richard Henderson 2025-10-01 15:02:42 -07:00
commit 1abdde1ad4
62 changed files with 720 additions and 223 deletions
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4
include/qemu/log-for-trace.h
View file

@ -19,9 +19,9 @@
#define QEMU_LOG_FOR_TRACE_H
/* Private global variable, don't use */
extern int qemu_loglevel;
extern unsigned qemu_loglevel;
#define LOG_TRACE (1 << 15)
#define LOG_TRACE (1u << 15)
/* Returns true if a bit is set in the current loglevel mask */
static inline bool qemu_loglevel_mask(int mask)

44
include/qemu/log.h
View file

@ -14,30 +14,30 @@ bool qemu_log_enabled(void);
/* Returns true if qemu_log() will write somewhere other than stderr. */
bool qemu_log_separate(void);
#define CPU_LOG_TB_OUT_ASM (1 << 0)
#define CPU_LOG_TB_IN_ASM (1 << 1)
#define CPU_LOG_TB_OP (1 << 2)
#define CPU_LOG_TB_OP_OPT (1 << 3)
#define CPU_LOG_INT (1 << 4)
#define CPU_LOG_EXEC (1 << 5)
#define CPU_LOG_PCALL (1 << 6)
#define CPU_LOG_TB_CPU (1 << 8)
#define CPU_LOG_RESET (1 << 9)
#define LOG_UNIMP (1 << 10)
#define LOG_GUEST_ERROR (1 << 11)
#define CPU_LOG_MMU (1 << 12)
#define CPU_LOG_TB_NOCHAIN (1 << 13)
#define CPU_LOG_PAGE (1 << 14)
#define CPU_LOG_TB_OUT_ASM (1u << 0)
#define CPU_LOG_TB_IN_ASM (1u << 1)
#define CPU_LOG_TB_OP (1u << 2)
#define CPU_LOG_TB_OP_OPT (1u << 3)
#define CPU_LOG_INT (1u << 4)
#define CPU_LOG_EXEC (1u << 5)
#define CPU_LOG_PCALL (1u << 6)
#define CPU_LOG_TB_CPU (1u << 8)
#define CPU_LOG_RESET (1u << 9)
#define LOG_UNIMP (1u << 10)
#define LOG_GUEST_ERROR (1u << 11)
#define CPU_LOG_MMU (1u << 12)
#define CPU_LOG_TB_NOCHAIN (1u << 13)
#define CPU_LOG_PAGE (1u << 14)
/* LOG_TRACE (1 << 15) is defined in log-for-trace.h */
#define CPU_LOG_TB_OP_IND (1 << 16)
#define CPU_LOG_TB_FPU (1 << 17)
#define CPU_LOG_PLUGIN (1 << 18)
#define CPU_LOG_TB_OP_IND (1u << 16)
#define CPU_LOG_TB_FPU (1u << 17)
#define CPU_LOG_PLUGIN (1u << 18)
/* LOG_STRACE is used for user-mode strace logging. */
#define LOG_STRACE (1 << 19)
#define LOG_PER_THREAD (1 << 20)
#define CPU_LOG_TB_VPU (1 << 21)
#define LOG_TB_OP_PLUGIN (1 << 22)
#define LOG_INVALID_MEM (1 << 23)
#define LOG_STRACE (1u << 19)
#define LOG_PER_THREAD (1u << 20)
#define CPU_LOG_TB_VPU (1u << 21)
#define LOG_TB_OP_PLUGIN (1u << 22)
#define LOG_INVALID_MEM (1u << 23)
/* Lock/unlock output. */